Algebraic time-ordering techniques and harmonic oscillator with time-dependent frequency
2017 ◽
Vol 11
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pp. 263-273
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Keyword(s):
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2003 ◽
Vol 17
(10)
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pp. 2045-2052
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2006 ◽
Vol 27
(4)
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pp. 379-388
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Keyword(s):
2000 ◽
Vol 124
(2)
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pp. 1059-1067
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