Publications (23)
Effect of a Staggered Magnetic Field on the S=1 Haldane Chain with Single-ion Anisotropy
F. Anfuso, E. Ercolessi, G. Morandi +1
Entanglement and nonclassicality for multi-mode radiation field states
J. Solomon Ivan, S. Chaturvedi, E. Ercolessi +4
Low-Dimensional Spin Systems: Hidden Symmetries, Conformal Field Theories and Numerical Checks
C. Degli Esposti Boschi, E. Ercolessi, G. Morandi
Path integrals for spinning particles, stationary phase and the Duistermaat-Heckman theorem
E. Ercolessi, G. Morandi, F. Napoli +1
Alternative Structures and Bihamiltonian Systems
G. Marmo, G. Morandi, A. Simoni +1
Effective mapping of spin-1 chains onto integrable fermionic models. A study of string and Neel correlation functions
C. Degli Esposti Boschi, M. Di Dio, G. Morandi +1
Phase-space descriptions of operators and the Wigner distribution in quantum mechanics II. The finite dimensional case
S. Chaturvedi, E. Ercolessi, G. Marmo +3
Phase-space descriptions of operators and the Wigner distribution in quantum mechanics I. A Dirac inspired view
S. Chaturvedi, E. Ercolessi, G. Marmo +3
Effective actions for spin ladders
S. Dell'Aringa, E. Ercolessi, G. Morandi +2
Particle Content of the Nonlinear Sigma Model with Theta-Term: a Lattice Model Investigation
L. Campos Venuti, C. Degli Esposti Boschi, E. Ercolessi +4
Alternative linear structures for classical and quantum systems
E. Ercolessi, A. Ibort, G. Marmo +1
Geometric phase for mixed states: a differential geometric approach
S. Chaturvedi, E. Ercolessi, G. Marmo +3
The Hamilton--Jacobi Theory and the Analogy between Classical and Quantum Mechanics
G. Marmo, G. Morandi, N. Mukunda
Stable particles in anisotropic spin-1 chains
L. Campos Venuti, C. Degli Esposti Boschi, E. Ercolessi +4
Ray space Riccati evolution and geometric phases for N-level quantum systems
S. Chaturvedi, E. Ercolessi, G. Marmo +3
Wigner distributions for finite dimensional quantum systems: An algebraic approach
S. Chaturvedi, E. Ercolessi, G. Marmo +3
Geometry of mixed states and degeneracy structure of geometric phases for multi-level quantum systems. A unitary group approach
E. Ercolessi, G. Marmo, G. Morandi +1
Continuum in the Excitation Spectrum of the S=1 Compound CsNiCl_3
E. Ercolessi, G. Morandi, M. Roncaglia
Local Measures of Entanglement and Critical Exponents at Quantum Phase Transitions
L. Campos Venuti, C. Degli Esposti Boschi, G. Morandi +2
Alternative Hamiltonian Desciptions and Statistical Mechanics
E. Ercolessi, G. Marmo, G. Morandi
Null Phase Curves and Manifolds in Geometric Phase Theory
S. Chaturvedi, E. Ercolessi, G. Morandi +4
Spin Chains in an External Magnetic Field. Closure of the Haldane Gap and Effective Field Theories
L. Campos Venuti, E. Ercolessi, G. Morandi +2
Alternative linear structures associated with regular Lagrangians. Weyl quantization and the Von Neumann uniqueness theorem
E. Ercolessi, A. Ibort, G. Marmo +1