We discuss the partitioning of the Hilbert space of a quantum system induced by the interaction with another system at thermal equilibrium, showing that the higher the temperature the more effective is the formation of Zeno subspaces. We show that our analysis keeps its validity even in the case of interaction with a bosonic reservoir, provided appropriate limitations of the relevant bandwidth.
Militello, B., Scala, M., Messina, A. (2011). Quantum Zeno subspaces induced by temperature. PHYSICAL REVIEW A, 84 [10.1103/PhysRevA.84.022106].
Quantum Zeno subspaces induced by temperature
MILITELLO, Benedetto;SCALA, Matteo;MESSINA, Antonino
2011-01-01
Abstract
We discuss the partitioning of the Hilbert space of a quantum system induced by the interaction with another system at thermal equilibrium, showing that the higher the temperature the more effective is the formation of Zeno subspaces. We show that our analysis keeps its validity even in the case of interaction with a bosonic reservoir, provided appropriate limitations of the relevant bandwidth.
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