10 citations · 40 across the 18 of their papers we have counts for
18 papers
Deviation from linear reduced dynamics always occurs for each non-factorisable system-environment unitary evolution
Iman Sargolzahi
In the simplest approximation, the reduced dynamics of a quantum system interacting with its environment is considered to be given by a completely positive map. But, in gen…
Entanglement recovering under local non-positive reduced dynamics
Iman Sargolzahi
Consider a bipartite quantum system S=AB such that each part interacts only with its local environment. Under such circumstances, one expects that the entanglement between parts A…
Initial correlations in open quantum systems are always detectable
Iman Sargolzahi
Consider an open quantum system which interacts with its environment. Assuming that the experimenter has access only to the system, an interesting question is whether it is possibl…
Instantaneous measurement can isolate the information
Iman Sargolzahi
Consider a one-dimensional spin chain, from spin 1 to spin N, such that each spin interacts with its nearest neighbors. Performing a local operation (measurement) on spin N, we exp…
Requiring linearity leads to complete positivity
Iman Sargolzahi
The reduced dynamics of an open quantum system , interacting with its environment , is not completely positive, in general. In this paper, we demonstrate that if the two foll…
Necessary and sufficient condition for the reduced dynamics of an open quantum system interacting with an environment to be linear
Iman Sargolzahi
The dynamics of a closed quantum system, under a unitary time evolution , is, obviously, linear. But, the reduced dynamics of an open quantum system , interacting with an env…