0602112v1

related topics
{states, state, optimal}
{information, entropy, channel}
{cos, sin, state}
{state, phys, rev}
{vol, operators, histories}
{let, theorem, proof}
{observables, space, algebra}
{algorithm, log, probability}
{theory, mechanics, state}
{state, states, entangled}
{qubit, qubits, gate}
{force, casimir, field}
{equation, function, exp}

Sine distance for quantum states

A. E. Rastegin

abstract: We thoroughly analyse the distance between quantum states that has been applied to state-dependent cloning and partly studied in the previous work of the author [Phys. Rev. A 66, 042304 (2002)]. Elementary proofs of its significant properties are given.

oai_identifier:
oai:arXiv.org:quant-ph/0602112
categories:
quant-ph
comments:
6 pages, no figures
arxiv_id:
quant-ph/0602112
created:
2006-02-14

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