Frontiers of quantum physics

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A note on quantum one-way permutations

(2001)

Authors:

Elham Kashefi, Harumichi Nishimura, Vlatko Vedral
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Reply to `Singularities of the mixed state phase'

ArXiv quant-ph/0109139 (2001)

Authors:

J Anandan, E Sjöqvist, AK Pati, A Ekert, M Ericsson, DKL Oi, V Vedral

Abstract:

The only difference between Bhandari's viewpoint [quant-ph/0108058] and ours [Phys. Rev. Lett. 85, 2845 (2000)] is that our phase is defined modulo $2\pi$, whereas Bhandari argues that two phases that differ by $2\pi n$, $n$ integer, may be distinguished experimentally in a history-dependent manner.
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Reply to `Singularities of the mixed state phase'

(2001)

Authors:

J Anandan, E Sjöqvist, AK Pati, A Ekert, M Ericsson, DKL Oi, V Vedral
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A Comparison of Quantum Oracles

(2001)

Authors:

Elham Kashefi, Adrian Kent, Vlatko Vedral, Konrad Banaszek
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Bounds on relative entropy of entanglement for multi-party systems

Journal of Physics A: Mathematical and General 34:35 (2001) 6997-7002

Authors:

MB Plenio, V Vedral

Abstract:

We present upper and lower bounds to the relative entropy of entanglement of multi-party systems in terms of the bi-partite entanglements of formation and distillation and entropies of various subsystems. We point out implications of our results to the local reversible convertibility of multi-party pure states and discuss their physical basis in terms of deleting information.
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