A. Pelster
- Reentrant Phenomenon in the Quantum Phase Transitions of a Gas of Bosons Trapped in an Optical Lattice
2003/07/31 by H. Kleinert, Sebastian Schmidt, S. Schmidt +2 · 3 citations
Physics and Astronomy · #Cold Atom Physics and Bose-Einstein Condensates #Quantum many-body systems #Quantum, superfluid, helium dynamics #cond-mat.mes-hall #cond-mat.stat-mech
- Quantum phase diagram of bosons in optical lattices
2008/06/30 by F. E. A. dos Santos, A. Pelster, Axel Pelster · 4 citations
Mathematics · Physics and Astronomy · #Bose–Hubbard model #Boson #Cold Atom Physics and Bose-Einstein Condensates #Mathematics #Monte Carlo method #Mott insulator #Phase (matter) #Phase diagram #Phase transition #Physics #Physics of Superconductivity and Magnetism #Quantum #Quantum Monte Carlo #Quantum mechanics #Quantum phase transition #Quantum phases #Quantum, superfluid, helium dynamics #Scalar (mathematics) #Scalar field #Statistical physics #Superfluidity #cond-mat.stat-mech
- Variational perturbation theory for density matrices
1998/12/22 by Michael Bachmann, M. Bachmann, H. Kleinert +2 · 4 citations
Computer Science · Physics and Astronomy · #Quantum Information and Cryptography #Quantum Mechanics and Applications #Spectroscopy and Quantum Chemical Studies #quant-ph
- Mean-field phase diagram of disordered bosons in a lattice at non-zero temperature
2006/05/31 by K. V. Krutitsky, A. Pelster, R. Graham · 1 citation
Physics and Astronomy · #cond-mat.dis-nn #cond-mat.other
- Functional differential equations for the free energy and the effective energy in the broken-symmetry phase of φ4-theory and their recursive graphical solution
2000/06/20 by A. Pelster, Axel Pelster, H. Kleinert · 1 citation
Mathematics · Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Energy (signal processing) #Energy functional #Euclidean geometry #Geometry #Mathematical analysis #Mathematics #Nonlinear system #Physics #Quantum Chromodynamics and Particle Interactions #Quantum mechanics #Scalar (mathematics) #Symmetry (geometry) #Work (physics) #hep-th