Publications (86)
Disorder-Induced Shift of Condensation Temperature for Dilute Trapped Bose Gases
Matthias Timmer, Axel Pelster, Robert Graham
Bogoliubov Theory of Dipolar Bose Gas in Weak Random Potential
Mahmoud Ghabour, Axel Pelster
Sculpting quasi one-dimensional Bose-Einstein condensate to generate calibrated matter-waves
Javed Akram, Axel Pelster
Boundary-Layer Theory, Strong-Coupling Series, and Large-Order Behavior
Carl M. Bender, Axel Pelster, Florian Weissbach
Bose-Einstein Condensate in Weak 3d Isotropic Speckle Disorder
Bakhodir Abdullaev, Axel Pelster
Bose-Einstein Condensation Temperature of Dipolar Gas in Anisotropic Harmonic Trap
Konstantin Glaum, Axel Pelster
On the Floquet Theory of Delay Differential Equations
Christian Simmendinger, Arne Wunderlin, Axel Pelster
Quantum Phase Diagram for Homogeneous Bose-Einstein Condensate
Hagen Kleinert, Sebastian Schmidt, Axel Pelster
Quantum Fluctuations in Dipolar Bose Gases
Aristeu R. P. Lima, Axel Pelster
Variational Perturbation Theory for Fokker-Planck Equation with Nonlinear Drift
Jens Dreger, Axel Pelster, Bodo Hamprecht
Thermodynamical Properties of a Rotating Ideal Bose Gas
Sebastian Kling, Axel Pelster
Recursive Calculation of Effective Potential and Variational Resummation
Sebastian F. Brandt, Hagen Kleinert, Axel Pelster
Heisenberg Operator Approach for Spin Squeezing Dynamics
Aranya B. Bhattacherjee, Deepti Sharma, Axel Pelster
Variational calculation of the limit cycle and its frequency in a two-neuron model with delay
Sebastian F. Brandt, Axel Pelster, Ralf Wessel
Geometric Resonances in Bose-Einstein Condensates with Two- and Three-Body Interactions
Hamid Al-Jibbouri, Ivana Vidanovic, Antun Balaz +1
Ginzburg-Landau Theory for the Jaynes-Cummings-Hubbard Model
Christian Nietner, Axel Pelster
Variational Perturbation Theory for Markov Processes
Hagen Kleinert, Axel Pelster, Mihai V. Putz
High-order symbolic strong-coupling expansion for the Bose-Hubbard model
Tao Wang, Xue-Feng Zhang, Chun-Feng Hou +2
Generating Functionals for Harmonic Expectation Values of Paths with Fixed End Points. Feynman Diagrams for Nonpolynomial Interactions
Hagen Kleinert, Axel Pelster, Michael Bachmann
Rotating Fermi gases in an anharmonic trap
Kiel Howe, Aristeu R. P. Lima, Axel Pelster
Tunable anisotropic superfluidity in an optical kagome superlattice
Xue-Feng Zhang, Tao Wang, Sebastian Eggert +1
Dipolar Bose-Einstein Condensates in Weak Anisotropic Disorder
Branko Nikolic, Antun Balaz, Axel Pelster
Dipolar Bose-Einstein Condensates with Weak Disorder
Christian Krumnow, Axel Pelster
Time-of-flight expansion of trapped dipolar Fermi gases: From the collisionless to the hydrodynamic regime
Vladimir Veljic, Antun Balaz, Axel Pelster
Large-D Expansion from Variational Perturbation Theory
Sebastian F. Brandt, Axel Pelster
Analytical and numerical study of dirty bosons in a quasi-one-dimensional harmonic trap
Tama Khellil, Antun Balaz, Axel Pelster
Synchronization in a neuronal feedback loop through asymmetric temporal delays
Sebastian F. Brandt, Axel Pelster, Ralf Wessel
Critical Temperature of Weakly Interacting Dipolar Condensates
Konstantin Glaum, Axel Pelster, Hagen Kleinert +1
Order via Nonlinearity in Randomly Confined Bose Gases
Robert Graham, Axel Pelster
Exact quantum field mappings between different experiments on quantum gases
Etienne Wamba, Axel Pelster, James R. Anglin
Hartree-Fock Mean-Field Theory for Trapped Dirty Bosons
Tama Khellil, Axel Pelster
Systematic Semiclassical Expansion for Harmonically Trapped Ideal Bose Gases
Ben Klünder, Axel Pelster
Many-Body Vacuum Diagrams and Their Recursive Graphical Construction
Axel Pelster, Konstantin Glaum
Nonequilibrium Quantum Phase Transition in a Hybrid Atom-Optomechanical System
Niklas Mann, M. Reza Bakhtiari, Axel Pelster +1
The Highest-Derivative Version of Variational Perturbation Theory
Bodo Hamprecht, Axel Pelster
Noise-dependent stability of the synchronized state in a coupled system of active rotators
Sebastian F. Brandt, Axel Pelster, Ralf Wessel
Dynamical Properties of a Rotating Bose-Einstein Condensate
Sebastian Kling, Axel Pelster
Ground-state properties of anyons in a one-dimensional lattice
Guixin Tang, Sebastian Eggert, Axel Pelster
Perturbative calculation of critical exponents for the Bose-Hubbard model
Dennis Hinrichs, Axel Pelster, Martin Holthaus
Interplay of coherent and dissipative dynamics in condensates of light
Milan Radonjic, Wassilij Kopylov, Antun Balaz +1
Recursive Graphical Construction of Tadpole-Free Feynman Diagrams and Their Weights in phi^4-Theory
Axel Pelster, Konstantin Glaum
Quantum domain walls induce incommensurate supersolid phase on the anisotropic triangular lattice
Xue-Feng Zhang, Shijie Hu, Axel Pelster +1
Visibility of Cold Atomic Gases in Optical Lattices for Finite Temperatures
Alexander Hoffmann, Axel Pelster
Condensation of Ideal Bose Gas Confined in a Box Within a Canonical Ensemble
Konstantin Glaum, Hagen Kleinert, Axel Pelster
High-Order Variational Calculation for the Frequency of Time-Periodic Solutions
Axel Pelster, Hagen Kleinert, Michael Schanz
Fast Converging Path Integrals for Time-Dependent Potentials I: Recursive Calculation of Short-Time Expansion of the Propagator
Antun Balaz, Ivana Vidanovic, Aleksandar Bogojevic +2
Ground state of an ultracold Fermi gas of tilted dipoles in elongated traps
Vladimir Veljic, Aristeu R. P. Lima, Lauriane Chomaz +5
Numerical study of localized impurity in a Bose-Einstein condensate
Javed Akram, Axel Pelster
Breakdown of Kohn Theorem Near Feshbach Resonance
Hamid Al-Jibbouri, Axel Pelster
Bose Condensed Gas in Strong Disorder Potential With Arbitrary Correlation Length
Patrick Navez, Axel Pelster, Robert Graham
A theory of finite-temperature Bose-Einstein condensates in neutron stars
Christine Gruber, Axel Pelster
Analytical and Numerical Investigation of the Phase-Locked Loop with Time Delay
Michael Schanz, Axel Pelster
Statics and dynamics of quasi one-dimensional Bose-Einstein condensate in harmonic and dimple trap
Javed Akram, Axel Pelster
Solutions of the Haeussler-von der Malsburg Equations in Manifolds with Constant Curvatures
Martin Guessmann, Axel Pelster, Guenter Wunner
Synergetic Analysis of the Haeussler-von der Malsburg Equations for Manifolds of Arbitrary Geometry
Martin Guessmann, Axel Pelster, Guenter Wunner
Tuning superfluid phases of spin-1 bosons in cubic optical lattice with linear Zeeman effect
Mohamed Mobarak, Axel Pelster
High-Order Variational Perturbation Theory for the Free Energy
Florian Weissbach, Axel Pelster, Bodo Hamprecht
Functional Closure of Schwinger-Dyson Equations in Quantum Electrodynamics, Part 1: Generation of Connected and One-Particle Irreducible Feynman Diagrams
Axel Pelster, Hagen Kleinert, Michael Bachmann
Beyond Mean-Field Low-Lying Excitations of Dipolar Bose Gases
Aristeu R. P. Lima, Axel Pelster
Generalized Effective Potential Landau Theory for Bosonic Quadratic Superlattices
Tao Wang, Xue-Feng Zhang, Sebastian Eggert +1
Superfluid phases of spin-1 bosons in cubic optical lattice
Mohamed Mobarak, Axel Pelster
Synergetic System Analysis for the Delay-Induced Hopf Bifurcation in the Wright Equation
Michael Schanz, Axel Pelster
Dimensionally Induced Phase Transition of the Weakly Interacting Ultracold Bose Gas
Bernhard Irsigler, Axel Pelster
Smearing Formulas for Density Matrices
Michael Bachmann, Hagen Kleinert, Axel Pelster
Ultra-Fast Converging Path-Integral Approach for Rotating Ideal Bose-Einstein Condensates
Antun Balaz, Ivana Vidanovic, Aleksandar Bogojevic +1
Recursive Graphical Solution of Closed Schwinger-Dyson Equations in phi^4-Theory -- Part1: Generation of Connected and One-Particle Irreducible Feynman Diagrams
Axel Pelster, Konstantin Glaum
Recursive Graphical Construction of Feynman Diagrams and Their Multiplicities in phi^4- and in phi^2A-Theory
Hagen Kleinert, Axel Pelster, Boris Kastening +1
Effective Action Approach for Quantum Phase Transitions in Bosonic Lattices
Barry Bradlyn, Francisco Ednilson A. dos Santos, Axel Pelster
Tuning the Quantum Phase Transition of Bosons in Optical Lattices via Periodic Modulation of s-Wave Scattering Length
Tao Wang, Xue-Feng Zhang, Francisco Ednilson Alves dos Santos +2
Fluctuation Pressure of a Stack of Membranes
Michael Bachmann, Hagen Kleinert, Axel Pelster
Dirty bosons in a three-dimensional harmonic trap
Tama Khellil, Axel Pelster
Collective Motion of Polarized Dipolar Fermi Gases in the Hydrodynamic Regime
Aristeu R. P. Lima, Axel Pelster
Recursive Graphical Construction for Feynman Diagrams and Their Weights in Ginzburg-Landau Theory
Hagen Kleinert, Axel Pelster, Bruno Van den Bossche
Smearing Formula for Higher-Order Effective Classical Potentials
Hagen Kleinert, Werner Kuerzinger, Axel Pelster
Quantum Statistics of Hydrogen in Strong Magnetic Fields
Michael Bachmann, Hagen Kleinert, Axel Pelster
Dipolar Fermi gases in anisotropic traps
Aristeu R. P. Lima, Axel Pelster
Measuring finite-range phase coherence in an optical lattice using Talbot interferometry
Bodhaditya Santra, Christian Baals, Ralf Labouvie +3
Variational Perturbation Theory for the Ground-State Wave Function
Axel Pelster, Florian Weissbach
Dissipative Two-Mode Tavis-Cummings Model with Time-Delayed Feedback Control
Wassilij Kopylov, Milan RadonjiÄ, Tobias Brandes +2
Fast Converging Path Integrals for Time-Dependent Potentials II: Generalization to Many-body Systems and Real-Time Formalism
Antun Balaz, Ivana Vidanovic, Aleksandar Bogojevic +2
Recursive Schr\" odinger Equation Approach to Faster Converging Path Integrals
Antun Balaz, Aleksandar Bogojevic, Ivana Vidanovic +1
Density and Stability in Ultracold Dilute Boson-Fermion Mixtures
Steffen Roethel, Axel Pelster
Nonlinear Bose-Einstein-condensate Dynamics Induced by a Harmonic Modulation of the s-wave Scattering Length
Ivana Vidanovic, Antun Balaz, Hamid Al-Jibbouri +1
Green's Function Approach to the Bose-Hubbard Model
Matthias Ohliger, Axel Pelster
Quasi one-dimensional Bose-Einstein condensate in gravito-optical surface trap
Javed Akram, Benjamin Girodias, Axel Pelster
Parametric Resonance in Bose-Einstein Condensates
William Cairncross, Axel Pelster