Excited-state quantum phase transitions in systems with two degrees of freedom: Level density, level dynamics, thermal properties

DOI10.1016/j.aop.2014.03.006zbMath1343.82009OpenAlexW1989821780MaRDI QIDQ307089

Pavel Stránský, Pavel Cejnar, Michal Macek

Publication date: 1 September 2016

Published in: Annals of Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.aop.2014.03.006

zbMATH Keywords

level dynamicslevel densityquantum phase transitionsthermal anomalies

Mathematics Subject Classification ID

Phase transitions (general) in equilibrium statistical mechanics (82B26) Quantum equilibrium statistical mechanics (general) (82B10) Critical phenomena in equilibrium statistical mechanics (82B27)

Related Items (11)

Classification of excited-state quantum phase transitions for arbitrary number of degrees of freedom ⋮ Heat capacity for systems with excited-state quantum phase transitions ⋮ Monodromy in Dicke superradiance ⋮ Manifestation of classical instability in the quantum density of states of a double well potential ⋮ Adiabatic invariants for the regular region of the Dicke model ⋮ Analytical description of the survival probability of coherent states in regular regimes ⋮ Thermal and quantum phase transitions in atom-field systems: a microcanonical analysis ⋮ Delocalization properties at isolated avoided crossings in Lipkin–Meshkov–Glick type Hamiltonian models ⋮ Topological phase transition in a molecular Hamiltonian with symmetry and pseudo-symmetry, studied through quantum, semi-quantum and classical models ⋮ Excited-state quantum phase transitions in systems with two degrees of freedom. II: Finite-size effects ⋮ Excited-state quantum phase transitions

Cites Work

• Unnamed Item
• Unnamed Item
• Excited state quantum phase transitions in many-body systems
• Phase transitions and configuration space topology
• Dual algebraic structures for the two-level pairing model
• Hamiltonian Systems
• Algebraic approach to two-dimensional systems: Shape phase transitions, monodromy, and thermodynamic quantities
• Understanding Quantum Phase Transitions
• Monodromy and excited-state quantum phase transitions in integrable systems: collective vibrations of nuclei
• Coherence in Spontaneous Radiation Processes

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