Reply to 'Comment on 'Connection between entanglement and the speed of quantum evolution' and on 'Entanglement and the lower bounds on the speed of quantum evolution''

Journal Article · Mon Nov 15 00:00:00 EST 2010 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.82.056302· OSTI ID:21528782

Batle, J; Borras, A; Casas, M ^[1]; Plastino, A R ^[2]; Plastino, A ^[3]

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1. Departament de Fisica, Universitat de les Illes Balears and IFISC-CSIC, E-07122 Palma de Mallorca (Spain)
2. Instituto Carlos I de Fisica Teorica y Computacional, University of Granada, E-18071 Granada (Spain)
3. National University La Plata, UNLP-CREG-CONICET-C.C. 727, 1900 La Plata (Argentina)

Chau's Comment deals with the properties exhibited by a particular set of two-qubit states in connection with entanglement and the quantum evolution of some low-dimensional composite systems. However, there is an important aspect of the previously mentioned two-qubit states and of the role they play in relation with the ''speed'' of quantum evolution that was not mentioned by Chau and deserves to be pointed out: for the two-qubit system under consideration, these states require the longest possible absolute time to evolve to an orthogonal state.

• OSTI ID: 21528782
• Journal Information: Physical Review. A, Vol. 82, Issue 5; Other Information: DOI: 10.1103/PhysRevA.82.056302; (c) 2010 American Institute of Physics; ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
MATHEMATICAL EVOLUTION
QUANTUM ENTANGLEMENT
QUBITS
TWO-BODY PROBLEM
VELOCITY
EVOLUTION
INFORMATION
MANY-BODY PROBLEM
QUANTUM INFORMATION