In PT-quantum mechanics the generator of the dynamics of a physical system is not necessarily a self-adjoint Hamiltonian. It is now clear that this choice does not prevent to get a unitary time evolution and a real spectrum of the Hamiltonian, even if, most of the times, one is forced to deal with biorthogonal sets rather than with on orthonormal basis of eigenvectors. In this paper we consider some extended versions of the Heisenberg algebraic dynamics and we relate this analysis to some generalized version of Gibbs states and to their related KMS-like conditions. We also discuss some preliminary aspects of the Tomita–Takesaki theory in our context.

Bagarello F., Inoue H., & Trapani C. (2020). Gibbs States, Algebraic Dynamics and Generalized Riesz Systems. COMPLEX ANALYSIS AND OPERATOR THEORY, 14(8), 1-25 [10.1007/s11785-020-01036-9].

Gibbs States, Algebraic Dynamics and Generalized Riesz Systems

Bagarello F.;Trapani C.
2020

Abstract

In PT-quantum mechanics the generator of the dynamics of a physical system is not necessarily a self-adjoint Hamiltonian. It is now clear that this choice does not prevent to get a unitary time evolution and a real spectrum of the Hamiltonian, even if, most of the times, one is forced to deal with biorthogonal sets rather than with on orthonormal basis of eigenvectors. In this paper we consider some extended versions of the Heisenberg algebraic dynamics and we relate this analysis to some generalized version of Gibbs states and to their related KMS-like conditions. We also discuss some preliminary aspects of the Tomita–Takesaki theory in our context.
Settore MAT/05 - Analisi Matematica
Bagarello F., Inoue H., & Trapani C. (2020). Gibbs States, Algebraic Dynamics and Generalized Riesz Systems. COMPLEX ANALYSIS AND OPERATOR THEORY, 14(8), 1-25 [10.1007/s11785-020-01036-9].
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/10447/480352
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