First and second sound in a weakly interacting dilute Bose gas
1985 ◽
Vol 58
(5-6)
◽
pp. 479-495
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2015 ◽
Vol 111
(4)
◽
pp. 40005
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1971 ◽
Vol 12
(10)
◽
pp. 2157-2170
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2004 ◽
Vol 114
(1/2)
◽
pp. 481-501
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