activity
20022009
most citedCompletely Positive Maps and Classical Correlations

219 citations · 611 across the 15 of their papers we have counts for

collaborators

15 papers

quant-ph2009★ 1 cited

Repeatable procedures and maps in open quantum dynamics

Thomas F. Jordan, Anil Shaji

Examples of repeatable procedures and maps are found in the open quantum dynamics of one qubit that interacts with another qubit. They show that a mathematical map that is repeatab…

quant-ph2007

A hazard of open quantum dynamics: Markov approximations encounter map domains

Thomas F. Jordan, Anil Shaji, E. C. G. Sudarshan

A Markov approximation in open quantum dynamics can give unphysical results when a map acts on a state that is not in its domain. This is examined here in a simple example, an open…

quant-ph2007★ 15 cited

Entanglement increase from local interactions with not-completely-positive maps

Thomas F. Jordan, Anil Shaji, E. C. G. Sudarshan

Simple examples are constructed that show the entanglement of two qubits being both increased and decreased by interactions on just one of them. One of the two qubits interacts wit…

quant-ph2007★ 219 cited

Completely Positive Maps and Classical Correlations

César A. Rodríguez-Rosario, Kavan Modi, Aik-meng Kuah +2

We expand the set of initial states of a system and its environment that are known to guarantee completely positive reduced dynamics for the system when the combined state evolves…

quant-ph2006★ 7 cited

One qubit almost completely reveals the dynamics of two

Thomas F. Jordan, Anil Shaji, E. C. G. Sudarshan

From the time dependence of states of one of them, the dynamics of two interacting qubits is determined to be one of two possibilities that differ only by a change of signs of para…

quant-ph2006★ 58 cited

Lorentz transformations that entangle spins and entangle momenta

Thomas F. Jordan, Anil Shaji, E. C. G. Sudarshan

Simple examples are presented of Lorentz transformations that entangle the spins and momenta of two particles with positive mass and spin 1/2. They apply to indistinguishable parti…