Details
| Original language | English |
|---|---|
| Pages (from-to) | 7081-7094 |
| Number of pages | 14 |
| Journal | J. Phys. A |
| Volume | 34 |
| Issue number | 35 |
| Publication status | Published - 2001 |
Abstract
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In: J. Phys. A, Vol. 34, No. 35, 2001, p. 7081-7094.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - All teleportation and dense coding schemes
AU - Werner, R. F.
PY - 2001
Y1 - 2001
N2 - We establish a one-to-one correspondence between (1) quantum teleportation schemes, (2) dense coding schemes, (3) orthonormal bases of maximally entangled vectors, (4) orthonormal bases of unitary operators with respect to the Hilbert-Schmidt scalar product and (5) depolarizing operations, whose Kraus operators can be chosen to be unitary. The teleportation. and dense coding schemes are assumed to be `tight' in the sense that all Hilbert spaces involved have the same finite dimension d, and the classical channel involved distinguishes d(2) signals. A general construction procedure for orthonormal bases of unitaries, involving Latin squares and complex Hadamard matrices is also presented.
AB - We establish a one-to-one correspondence between (1) quantum teleportation schemes, (2) dense coding schemes, (3) orthonormal bases of maximally entangled vectors, (4) orthonormal bases of unitary operators with respect to the Hilbert-Schmidt scalar product and (5) depolarizing operations, whose Kraus operators can be chosen to be unitary. The teleportation. and dense coding schemes are assumed to be `tight' in the sense that all Hilbert spaces involved have the same finite dimension d, and the classical channel involved distinguishes d(2) signals. A general construction procedure for orthonormal bases of unitaries, involving Latin squares and complex Hadamard matrices is also presented.
M3 - Article
VL - 34
SP - 7081
EP - 7094
JO - J. Phys. A
JF - J. Phys. A
IS - 35
ER -