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Entanglement of extremal density matrices of 2-qubit Hamiltonian with Kramers degeneracy
Free accessArXiv | 2018| -
Quantum phase crossovers with finite atom number in the Dicke model
British Library Online Contents | 2013| -
Virtues and limitations of the truncated Holstein-Primakoff description of quantum rotors
British Library Online Contents | 2013| -
A semi-classical versus quantum description of the ground state of three-level atoms interacting with a one-mode electromagnetic field
British Library Online Contents | 2013| -
Analytic description of the super-radiant regime in the Dicke model
British Library Conference Proceedings | 2012| -
No singularities in observables at the phase transition in the Dicke model (4 pages)
British Library Online Contents | 2011| -
Analytic approximation of the Tavis-Cummings ground state via projected states
British Library Online Contents | 2009| -
Linear Time-Dependent Invariants of Non-Stationary Quantum Systems
British Library Conference Proceedings | 2003| -
Entanglement and localization of a two-mode Bose-Einstein condensate
British Library Online Contents | 2010| -
Classical and quantum phase transitions in the Lipkin-Meshkov-Glick model (14 pages)
British Library Online Contents | 2006| -
Phase transitions and accidental degeneracy in nonlinear spin systems (4 pages)
British Library Online Contents | 2005|
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