Abstract
Constants defining a quantum state can serve as macroscopic parameters specifying the spontaneous breaking of a symmetry. An example is given in which a laser possesses a SU(3) symmetry which is spontaneously broken above threshold. The parameters can be readily observed experimentally.
Original language | English |
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Pages (from-to) | 1920-1923 |
Number of pages | 4 |
Journal | Physical Review Letters |
Volume | 45 |
Issue number | 24 |
DOIs | |
State | Published - 1980 |