Quantum Monte Carlo simulations of fidelity at magnetic quantum phase transitions (2009)
Schwandt, David, Alet, Fabien, Capponi, Sylvain
When a system undergoes a quantum phase transition, the ground-state wave-function shows a change of nature, which can be monitored using the fidelity concept. We introduce two Quantum Monte Carlo...
Coulomb gas transitions in three-dimensional classical dimer models (2009)
Chen, Gang, Gukelberger, Jan, Trebst, Simon, Alet, Fabien, Balents, Leon
Close-packed, classical dimer models on three-dimensional, bipartite lattices harbor a Coulomb phase with power-law correlations at infinite temperature. Here, we discuss the nature of the thermal...
The semiflexible fully-packed loop model and interacting rhombus tilings (2008)
Jacobsen, Jesper Lykke, Alet, Fabien
Motivated by a recent adsorption experiment [M.O. Blunt et al., Science 322, 1077 (2008)], we study tilings of the plane with three different types of rhombi. An interaction disfavors pairs of...
The SU(N) Heisenberg model on the square lattice: a continuous-N quantum Monte Carlo study (2008)
Beach, K. S. D., Alet, Fabien, Mambrini, Matthieu, Capponi, Sylvain
We present exact numerical results for the square-lattice SU(N) Heisenberg model, computed using a singlet projector algorithm that is not restricted to integer values of N. Finite-size scaling of...
Comment on "Regional Versus Global Entanglement in Resonating-Valence-Bond States" (2008)
Alet, Fabien, Braun, Daniel, Misguich, Grégoire
In a recent Letter [Phys. Rev. Lett. 99, 170502 (2007); quant-ph/0703227], Chandran and coworkers study the entanglement properties of valence bond (VB) states. Their main result is that VB states do...
Improved directed loop method for Quantum (2008)
Monte Carlo Simulations, Fabien Alet, Stefan Wessel, Matthias Troyer
Abstract. Efficient schemes called directed loops for cluster updates in Quantum Monte Carlo simulations have recently been proposed, which improve both the efficiency and precision for simulations...
Misguich, Gregoire, Pasquier, Vincent, Alet, Fabien
The three-dimensional classical dimer model with interactions shows an unexpected continuous phase transition between an ordered dimer crystal and a Coulomb liquid. A detailed analysis of the...
Comment on "Quantum Monte Carlo scheme for frustrated Heisenberg antiferromagnets" (2008)
Beach, K. S. D., Mambrini, Matthieu, Alet, Fabien
Quantum Monte Carlo methods are sophisticated numerical techniques for simulating interacting quantum systems. In some cases, however, they suffer from the notorious "sign problem" and become too...
Doping quantum dimer models on the square lattice (2007)
Poilblanc, Didier, Alet, Fabien, Becca, Federico, Ralko, Arnaud, Trousselet, Fabien, Mila, Frederic
A family of models is proposed to describe the motion of holes in a fluctuating quantum dimer background on the square lattice. Following Castelnovo et al. [Ann. Phys. (NY) 318, 316 (2005)], a...
Valence Bond Entanglement Entropy (2007)
Alet, Fabien, Capponi, Sylvain, Laflorencie, Nicolas, Mambrini, Matthieu
We introduce for SU(2) quantum spin systems the Valence Bond Entanglement Entropy as a counting of valence bond spin singlets shared by two subsystems. For a large class of antiferromagnetic systems,...
Classical dimers with aligning interactions on the square lattice (2006)
Alet, Fabien, Ikhlef, Yacine, Jacobsen, Jesper Lykke, Misguich, Gregoire, Pasquier, Vincent
We present a detailed study of a model of close-packed dimers on the square lattice with an interaction between nearest-neighbor dimers. The interaction favors parallel alignment of dimers, resulting...
Unconventional continuous phase transition in a three dimensional dimer model (2006)
Alet, Fabien, Misguich, Gregoire, Pasquier, Vincent, Moessner, Roderich, Jacobsen, Jesper Lykke
Phase transitions occupy a central role in physics, due both to their experimental ubiquity and their fundamental conceptual importance. The explanation of universality at phase transitions was the...
Histogram methods for suantum systems: from Reweighting toWang-Landau Sampling (2006)
Matthias Troyer, Fabien Alet, Stefan Wessel
Histogram methods for suantum systems: from Reweighting toWang-Landau Sampling
Classical dimers with aligning interactions on the square lattice (2006)
Alet, Fabien, Ikhlef, Yacine, Jacobsen, Jesper Lykke, Misguich, Gregoire, Pasquier, Vincent
We present a detailed study of a model of close-packed dimers on the square lattice with an interaction between nearest-neighbor dimers. The interaction favors parallel alignment of dimers, resulting...
Unconventional continuous phase transition in a three dimensional dimer model (2006)
Alet, Fabien, Misguich, Gregoire, Pasquier, Vincent, Moessner, Roderich, Jacobsen, Jesper Lykke
Phase transitions occupy a central role in physics, due both to their experimental ubiquity and their fundamental conceptual importance. The explanation of universality at phase transitions was the...
Doping quantum dimer models on the square lattice (2006)
Poilblanc, Didier, Alet, Fabien, Becca, Federico, Ralko, Arnaud, Trousselet, Fabien, Mila, Frederic
A family of models is proposed to describe the motion of holes in a fluctuating quantum dimer background on the square lattice. Following Castelnovo et al. [Ann. Phys. (NY) 318, 316 (2005)], a...
Doping quantum dimer models on the square lattice (2006)
Poilblanc, Didier, Alet, Fabien, Becca, Federico, Ralko, Arnaud, Trousselet, Fabien, Mila, Frederic
A family of models is proposed to describe the motion of holes in a fluctuating quantum dimer background on the square lattice. Following Castelnovo {\it et al.} [Ann. Phys. (NY) {\bf 318}, 316...
Doping quantum dimer models on the square lattice (2006)
Poilblanc, Didier, Alet, Fabien, Becca, Federico, Ralko, Arnaud, Trousselet, Fabien, Mila, Frederic
A family of models is proposed to describe the motion of holes in a fluctuating quantum dimer background on the square lattice. Following Castelnovo et al. [Ann. Phys. (NY) 318, 316 (2005)], a...
Parity law of the singlet-triplet gap in graphitic ribbons (2006)
Al Hajj, Mohamad, Alet, Fabien, Capponi, Sylvain, Lepetit, Marie Bernadette, Malrieu, Jean-Paul, Todo, Synge
This work explores the possibility to transfer the parity law of the singlet-triplet gap established for square ladders (gapped for even number of legs, gapless for odd number of legs) to fused...
Parity law of the singlet-triplet gap in graphitic ribbons (2006)
Hajj, Mohamad Al, Alet, Fabien, Capponi, Sylvain, Lepetit, Marie Bernadette, Malrieu, Jean-Paul, Todo, Synge
This work explores the possibility to transfer the parity law of the singlet-triplet gap established for square ladders (gapped for even number of legs, gapless for odd number of legs) to fused...
Parity law of the singlet-triplet gap in graphitic ribbons (2006)
Al Hajj, Mohamad, Alet, Fabien, Capponi, Sylvain, Lepetit, Marie Bernadette, Malrieu, Jean-Paul, Todo, Synge
This work explores the possibility to transfer the parity law of the singlet-triplet gap established for square ladders (gapped for even number of legs, gapless for odd number of legs) to fused...
Parity law of the singlet-triplet gap in graphitic ribbons (2006)
Al Hajj, Mohamed, Alet, Fabien, Caponi, Sylvain, Lepetit, Marie-Bernadette, Malrieu, Jean-Paul, Todo, S.
This work explores the possibility to transfer the parity law of the singlet-triplet gap established for square ladders (gapped for even number of legs, gapless for odd number of legs) to fused...
Unconventional continuous phase transition in a three dimensional dimer model (2006)
Alet, Fabien, Misguich, Gregoire, Pasquier, Vincent, Moessner, Roderich, Jacobsen, Jesper Lykke
Phase transitions occupy a central role in physics, due both to their experimental ubiquity and their fundamental conceptual importance. The explanation of universality at phase transitions was the...
Unconventional continuous phase transition in a three dimensional dimer model (2006)
Alet, Fabien, Misguich, Gregoire, Pasquier, Vincent, Moessner, Roderich, Jacobsen, Jesper Lykke
Phase transitions occupy a central role in physics, due both to their experimental ubiquity and their fundamental conceptual importance. The explanation of universality at phase transitions was the...
Parity law of the singlet-triplet gap in graphitic ribbons (2006)
Al Hajj, Mohamed, Alet, Fabien, Caponi, Sylvain, Lepetit, Marie-Bernadette, Malrieu, Jean-Paul, Todo, S.
This work explores the possibility to transfer the parity law of the singlet-triplet gap established for square ladders (gapped for even number of legs, gapless for odd number of legs) to fused...
Parity law of the singlet-triplet gap in graphitic ribbons (2006)
Al Hajj, Mohamad, Alet, Fabien, Capponi, Sylvain, Lepetit, Marie Bernadette, Malrieu, Jean-Paul, Todo, Synge
This work explores the possibility to transfer the parity law of the singlet-triplet gap established for square ladders (gapped for even number of legs, gapless for odd number of legs) to fused...
Doping quantum dimer models on the square lattice (2006)
Poilblanc, Didier, Alet, Fabien, Becca, Federico, Ralko, Arnaud, Trousselet, Fabien, Mila, Frederic
A family of models is proposed to describe the motion of holes in a fluctuating quantum dimer background on the square lattice. Following Castelnovo et al. [Ann. Phys. (NY) 318, 316 (2005)], a...
Parity law of the singlet-triplet gap in graphitic ribbons (2006)
Al Hajj, Mohamed, Alet, Fabien, Caponi, Sylvain, Lepetit, Marie-Bernadette, Malrieu, Jean-Paul, Todo, S.
This work explores the possibility to transfer the parity law of the singlet-triplet gap established for square ladders (gapped for even number of legs, gapless for odd number of legs) to fused...
Parity law of the singlet-triplet gap in graphitic ribbons (2006)
Al Hajj, Mohamad, Alet, Fabien, Capponi, Sylvain, Lepetit, Marie Bernadette, Malrieu, Jean-Paul, Todo, Synge
This work explores the possibility to transfer the parity law of the singlet-triplet gap established for square ladders (gapped for even number of legs, gapless for odd number of legs) to fused...
Doping quantum dimer models on the square lattice (2006)
Poilblanc, Didier, Alet, Fabien, Becca, Federico, Ralko, Arnaud, Trousselet, Fabien, Mila, Frederic
A family of models is proposed to describe the motion of holes in a fluctuating quantum dimer background on the square lattice. Following Castelnovo et al. [Ann. Phys. (NY) 318, 316 (2005)], a...
Doping quantum dimer models on the square lattice (2006)
Poilblanc, Didier, Alet, Fabien, Becca, Federico, Ralko, Arnaud, Trousselet, Fabien, Mila, Frederic
A family of models is proposed to describe the motion of holes in a fluctuating quantum dimer background on the square lattice. Following Castelnovo et al. [Ann. Phys. (NY) 318, 316 (2005)], a...
Parity law of the singlet-triplet gap in graphitic ribbons (2006)
Al Hajj, Mohamed, Alet, Fabien, Caponi, Sylvain, Lepetit, Marie-Bernadette, Malrieu, Jean-Paul, Todo, S.
This work explores the possibility to transfer the parity law of the singlet-triplet gap established for square ladders (gapped for even number of legs, gapless for odd number of legs) to fused...
Parity law of the singlet-triplet gap in graphitic ribbons (2006)
Al Hajj, Mohamad, Alet, Fabien, Capponi, Sylvain, Lepetit, Marie Bernadette, Malrieu, Jean-Paul, Todo, Synge
This work explores the possibility to transfer the parity law of the singlet-triplet gap established for square ladders (gapped for even number of legs, gapless for odd number of legs) to fused...
Exotic quantum phases and phase transitions in correlated matter (2005)
Alet, Fabien, Walczak, Aleksandra M., Fisher, Matthew P. A.
We present a pedagogical overview of recent theoretical work on unconventional quantum phases and quantum phase transitions in condensed matter systems. Strong correlations between electrons can lead...
Generalized Directed Loop Method for Quantum Monte Carlo Simulations (2005)
Alet, Fabien, Wessel, Stefan, Troyer, Matthias
Efficient quantum Monte Carlo update schemes called directed loops have recently been proposed, which improve the efficiency of simulations of quantum lattice models. We propose to generalize the...
Dual Geometric Worm Algorithm for Two-Dimensional Discrete Classical Lattice Models (2005)
Hitchcock, Peter, Sørensen, Erik S., Alet, Fabien
We present a dual geometrical worm algorithm for two-dimensional Ising models. The existence of such dual algorithms was first pointed out by Prokof\'ev and Svistunov \\cite{ProkofevClassical}. The...
The Generic, Incommensurate Transition in the two-dimensional Boson Hubbard Model (2005)
Alet, Fabien, Sorensen, Erik S.
The generic transition in the boson Hubbard model, occurring at an incommensurate chemical potential, is studied in the link-current representation using the recently developed directed geometrical...
Quantum Monte Carlo simulations of confined bosonic atoms in optical lattices (2005)
Wessel, Stefan, Alet, Fabien, Troyer, Matthias, Batrouni, G. George
We study properties of ultra-cold bosonic atoms in one, two and three dimensional optical lattices by large scale quantum Monte Carlo simulations of the Bose Hubbard model in parabolic confinement...
Supersolids versus phase separation in two-dimensional lattice bosons (2005)
Sengupta, Pinaki, Pryadko, Leonid P., Alet, Fabien, Troyer, Matthias, Schmid, Guido
We study the nature of the ground state of the strongly-coupled two dimensional extended boson Hubbard model on a square lattice. We demonstrate that strong but finite on-site interaction U along...
Cluster Monte Carlo Algorithm for the Quantum Rotor Model (2005)
Alet, Fabien, Sorensen, Erik S.
We propose a highly efficient \"worm\" like cluster Monte Carlo algorithm for the quantum rotor model in the link-current representation. We explicitly prove detailed balance for the new algorithm...
Directed geometrical worm algorithm applied to the quantum rotor model (2005)
Alet, Fabien, Sorensen, Erik S.
We discuss the implementation of a directed geometrical worm algorithm for the study of quantum link-current models. In this algorithm Monte Carlo updates are made through the biased reptation of a...
Troyer, Matthias, Wessel, Stefan, Alet, Fabien
We present a generalization of the classical Wang-Landau algorithm [Phys. Rev. Lett. 86, 2050 (2001)] to quantum systems. The algorithm proceeds by stochastically evaluating the coefficients of a...
Interacting classical dimers on the square lattice (2005)
Alet, Fabien, Jacobsen, Jesper Lykke, Misguich, Gregoire, Pasquier, Vincent, Mila, Frederic, Troyer, Matthias
We study a model of close-packed dimers on the square lattice with a nearest neighbor interaction between parallel dimers. This model corresponds to the classical limit of quantum dimer models [D.S....
Interacting classical dimers on the square lattice (2005)
Alet, Fabien, Jacobsen, Jesper Lykke, Misguich, Gregoire, Pasquier, Vincent, Mila, Frederic, Troyer, Matthias
We study a model of close-packed dimers on the square lattice with a nearest neighbor interaction between parallel dimers. This model corresponds to the classical limit of quantum dimer models [D.S....
Generalized Directed Loop Method for Quantum Monte Carlo Simulations (2005)
Alet, Fabien, Wessel, Stefan, Troyer, Matthias
Efficient quantum Monte Carlo update schemes called directed loops have recently been proposed, which improve the efficiency of simulations of quantum lattice models. We propose to generalize the...
Interacting classical dimers on the square lattice (2005)
Alet, Fabien, Jacobsen, Jesper Lykke, Misguich, Gregoire, Pasquier, Vincent, Mila, Frederic, Troyer, Matthias
We study a model of close-packed dimers on the square lattice with a nearest neighbor interaction between parallel dimers. This model corresponds to the classical limit of quantum dimer models [D.S....
Generalized Directed Loop Method for Quantum Monte Carlo Simulations (2005)
Alet, Fabien, Wessel, Stefan, Troyer, Matthias
Efficient quantum Monte Carlo update schemes called directed loops have recently been proposed, which improve the efficiency of simulations of quantum lattice models. We propose to generalize the...
Interacting classical dimers on the square lattice (2005)
Alet, Fabien, Jacobsen, Jesper Lykke, Misguich, Gregoire, Pasquier, Vincent, Mila, Frederic, Troyer, Matthias
We study a model of close-packed dimers on the square lattice with a nearest neighbor interaction between parallel dimers. This model corresponds to the classical limit of quantum dimer models [D.S....
Supersolids versus phase separation in two-dimensional lattice bosons (2004)
Sengupta, Pinaki, Pryadko, Leonid P., Alet, Fabien, Troyer, Matthias, Schmid, Guido
We study the nature of the ground state of the strongly-coupled two dimensional extended boson Hubbard model on a square lattice. We demonstrate that strong but finite on-site interaction U along...
Global Phase Diagram of the High Tc Cuprates (2004)
Chen, Han-Dong, Capponi, Sylvain, Alet, Fabien, Zhang, Shou-Cheng
The high-Tc cuprates have a complex phase diagram with many competing phases. We propose a bosonic effective quantum Hamiltonian based on the projected SO(5) model with extended interactions, which...
Histogram methods for quantum systems: from reweighting to Wang-Landau sampling (2004)
Troyer,Matthias, Alet,Fabien, Wessel,Stefan
We discuss how reweighting and histogram methods for classical systems can be generalized to quantum models for discrete and continuous time world line simulations, and the stochastic series...
Quantum Monte Carlo simulations of confined bosonic atoms in optical lattices (2004)
Wessel, Stefan, Alet, Fabien, Troyer, Matthias, Batrouni, G. George
We study properties of ultra-cold bosonic atoms in one, two and three dimensional optical lattices by large scale quantum Monte Carlo simulations of the Bose Hubbard model in parabolic confinement...
Computational complexity and simulation of rare events of Ising spin glasses (2004)
Pelikan, Martin, Ocenasek, Jiri, Trebst, Simon, Troyer, Matthias, Alet, Fabien
We discuss the computational complexity of random 2D Ising spin glasses, which represent an interesting class of constraint satisfaction problems for black box optimization. Two extremal cases are...
The Generic, Incommensurate Transition in the two-dimensional Boson Hubbard Model (2004)
Alet, Fabien, Sorensen, Erik S.
The generic transition in the boson Hubbard model, occurring at an incommensurate chemical potential, is studied in the link-current representation using the recently developed directed geometrical...
Dual Geometric Worm Algorithm for Two-Dimensional Discrete Classical Lattice Models (2004)
Hitchcock, Peter, Sørensen, Erik S., Alet, Fabien
We present a dual geometrical worm algorithm for two-dimensional Ising models. The existence of such dual algorithms was first pointed out by Prokof\'ev and Svistunov \\cite{ProkofevClassical}. The...
The Generic, Incommensurate Transition in the two-dimensional Boson Hubbard Model (2004)
Alet, Fabien, Sorensen, Erik S.
The generic transition in the boson Hubbard model, occurring at an incommensurate chemical potential, is studied in the link-current representation using the recently developed directed geometrical...
Quantum Monte Carlo simulations of confined bosonic atoms in optical lattices (2004)
Wessel, Stefan, Alet, Fabien, Troyer, Matthias, Batrouni, G. George
We study properties of ultra-cold bosonic atoms in one, two and three dimensional optical lattices by large scale quantum Monte Carlo simulations of the Bose Hubbard model in parabolic confinement...
Supersolids versus phase separation in two-dimensional lattice bosons (2004)
Sengupta, Pinaki, Pryadko, Leonid P., Alet, Fabien, Troyer, Matthias, Schmid, Guido
We study the nature of the ground state of the strongly-coupled two dimensional extended boson Hubbard model on a square lattice. We demonstrate that strong but finite on-site interaction U along...
Quantum Monte-Carlo Simulation of Confined Bosonic Atoms in Optical Latticed (2004)
Wessel, Stefan, Alet, Fabien, Troyer, Matthias, Batrouni, G. George
Dual Geometric Worm Algorithm for Two-Dimensional Discrete Classical Lattice Models (2004)
Hitchcock, Peter, Sørensen, Erik S., Alet, Fabien
We present a dual geometrical worm algorithm for two-dimensional Ising models. The existence of such dual algorithms was first pointed out by Prokof\'ev and Svistunov \\cite{ProkofevClassical}. The...
The Generic, Incommensurate Transition in the two-dimensional Boson Hubbard Model (2004)
Alet, Fabien, Sorensen, Erik S.
The generic transition in the boson Hubbard model, occurring at an incommensurate chemical potential, is studied in the link-current representation using the recently developed directed geometrical...
Quantum Monte Carlo simulations of confined bosonic atoms in optical lattices (2004)
Wessel, Stefan, Alet, Fabien, Troyer, Matthias, Batrouni, G. George
We study properties of ultra-cold bosonic atoms in one, two and three dimensional optical lattices by large scale quantum Monte Carlo simulations of the Bose Hubbard model in parabolic confinement...
Supersolids versus phase separation in two-dimensional lattice bosons (2004)
Sengupta, Pinaki, Pryadko, Leonid P., Alet, Fabien, Troyer, Matthias, Schmid, Guido
We study the nature of the ground state of the strongly-coupled two dimensional extended boson Hubbard model on a square lattice. We demonstrate that strong but finite on-site interaction U along...
Global Phase Diagram of the High Tc Cuprates (2003)
Chen, Han-Dong, Capponi, Sylvain, Alet, Fabien, Zhang, Shou-Cheng
The high Tc cuprates have a complex phase diagram with many competing phases. We propose a bosonic effective quantum Hamiltonian based on the projected SO(5) model with extended interactions, which...
Global Phase Diagram of the High Tc Cuprates (2003)
Chen, Han-Dong, Capponi, Sylvain, Alet, Fabien, Zhang, Shou-Cheng
The high-Tc cuprates have a complex phase diagram with many competing phases. We propose a bosonic effective quantum Hamiltonian based on the projected SO(5) model with extended interactions, which...
Global Phase Diagram of the High Tc Cuprates (2003)
Chen, Han-Dong, Capponi, Sylvain, Alet, Fabien, Zhang, Shou-Cheng
The high-Tc cuprates have a complex phase diagram with many competing phases. We propose a bosonic effective quantum Hamiltonian based on the projected SO(5) model with extended interactions, which...
Dual Geometric Worm Algorithm for Two-Dimensional Discrete Classical Lattice Models (2003)
Hitchcock, Peter, Sørensen, Erik S., Alet, Fabien
We present a dual geometrical worm algorithm for two-dimensional Ising models. The existence of such dual algorithms was first pointed out by Prokof'ev and Svistunov \cite{ProkofevClassical}. The...
Generalized Directed Loop Method for Quantum Monte Carlo Simulations (2003)
Alet, Fabien, Wessel, Stefan, Troyer, Matthias
Efficient quantum Monte Carlo update schemes called directed loops have recently been proposed, which improve the efficiency of simulations of quantum lattice models. We propose to generalize the...
Directed geometrical worm algorithm applied to the quantum rotor model (2003)
Alet, Fabien, Sorensen, Erik S.
We discuss the implementation of a directed geometrical worm algorithm for the study of quantum link-current models. In this algorithm Monte Carlo updates are made through the biased reptation of a...
Etude numérique de systèmes magnétiques et supraconducteurs (2003)
Dans cette thèse, nous traitons des phases magnétiques ou supraconductrices de différents modèles représentatifs de systèmes fortement corrélés. Ces études ont toutes été menées de façon...
Cluster Monte Carlo Algorithm for the Quantum Rotor Model (2003)
Alet, Fabien, Sorensen, Erik S.
We propose a highly efficient \"worm\" like cluster Monte Carlo algorithm for the quantum rotor model in the link-current representation. We explicitly prove detailed balance for the new algorithm...
Directed geometrical worm algorithm applied to the quantum rotor model (2003)
Alet, Fabien, Sorensen, Erik S.
We discuss the implementation of a directed geometrical worm algorithm for the study of quantum link-current models. In this algorithm Monte Carlo updates are made through the biased reptation of a...
Cluster Monte Carlo Algorithm for the Quantum Rotor Model (2003)
Alet, Fabien, Sorensen, Erik S.
We propose a highly efficient \"worm\" like cluster Monte Carlo algorithm for the quantum rotor model in the link-current representation. We explicitly prove detailed balance for the new algorithm...
Directed geometrical worm algorithm applied to the quantum rotor model (2003)
Alet, Fabien, Sorensen, Erik S.
We discuss the implementation of a directed geometrical worm algorithm for the study of quantum link-current models. In this algorithm Monte Carlo updates are made through the biased reptation of a...
Cluster Monte Carlo Algorithm for the Quantum Rotor Model (2002)
Alet, Fabien, Sorensen, Erik S.
We propose a highly efficient "worm" like cluster Monte Carlo algorithm for the quantum rotor model in the link-current representation. We explicitly prove detailed balance for the new algorithm even...
Troyer, Matthias, Wessel, Stefan, Alet, Fabien
We present a generalization of the classical Wang-Landau algorithm [Phys. Rev. Lett. 86, 2050 (2001)] to quantum systems. The algorithm proceeds by stochastically evaluating the coefficients of a...
Etude numérique de systèmes magnétiques et supraconducteurs (2002)
Dans cette thèse, nous traitons des phases magnétiques ou supraconductrices de différents modèles représentatifs de systèmes fortement corrélés. Ces études ont toutes été menées de façon...
Etude numérique de systèmes magnétiques et supraconducteurs (2002)
Dans cette thèse, nous traitons des phases magnétiques ou supraconductrices de différents modèles représentatifs de systèmes fortement corrélés. Ces études ont toutes été menées de façon...
Etude numérique de systèmes magnétiques et supraconducteurs (2002)
Dans cette thèse, nous traitons des phases magnétiques ou supraconductrices de différents modèles représentatifs de systèmes fortement corrélés. Ces études ont toutes été menées de façon...
Troyer, Matthias, Wessel, Stefan, Alet, Fabien
We present a generalization of the classical Wang-Landau algorithm [Phys. Rev. Lett. 86, 2050 (2001)] to quantum systems. The algorithm proceeds by stochastically evaluating the coefficients of a...
Etude numérique de systèmes magnétiques et supraconducteurs (2002)
Dans cette thèse, nous traitons des phases magnétiques ou supraconductrices de différents modèles représentatifs de systèmes fortement corrélés. Ces études ont toutes été menées de façon...
Troyer, Matthias, Wessel, Stefan, Alet, Fabien
We present a generalization of the classical Wang-Landau algorithm [Phys. Rev. Lett. 86, 2050 (2001)] to quantum systems. The algorithm proceeds by stochastically evaluating the coefficients of a...
Etude numérique de systèmes magnétiques et supraconducteurs (2002)
Dans cette thèse, nous traitons des phases magnétiques ou supraconductrices de différents modèles représentatifs de systèmes fortement corrélés. Ces études ont toutes été menées de façon...
Etude numérique de systèmes magnétiques et supraconducteurs (2002)
Dans cette thèse, nous traitons des phases magnétiques ou supraconductrices de différents modèles représentatifs de systèmes fortement corrélés. Ces études ont toutes été menées de façon...