TY  - JOUR
AU  - Luis Aina, Alfredo
PY  - 2004
DO  - 10.1103/PhysRevA.70.052118
SN  - 1050-2947
UR  - https://hdl.handle.net/20.500.14352/51513
T2  - Physical review A
AB  - We show the formal equivalence between the phase-space representations of transformations and quantum states. We study invariant quantum input-output transformations in phase space and in Hilbert space. We show that all invariant processes are linear...
LA  - eng
M2  - 052118_1
PB  - American Physical Society
KW  - Wigner distribution function
KW  - Noncommuting operators
KW  - Density-matrix
KW  - Quasiprobability distributions
KW  - Macroscopic superpositions
KW  - Probability-distributions
KW  - State representation
KW  - Mechanics
KW  - Dynamics
KW  - Light
TI  - Quantum-invariant processes in phase space
TY  - journal article
VL  - 70
ER  -