Quantum Spinodal Decay of a Metastable Liquid at Low Temperatures

Burmistrov, S. N.; Dubovskii, L. B.; Okuda, Y.

doi:10.1007/s10909-005-1527-5

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2008

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“…Quantum tunneling from a metastable state through a potential barrier is a fundamental nonlinear phenomenon occuring in many branches of the physical sciences [1,2,3,4,5,6,7,8,9]. The standard semiclassical approach to metastability has been formulated since long by Langer [10] and Coleman [11] in the fields of statistical and nuclear physics respectively.…”

Section: Introductionmentioning

confidence: 99%

Metastability Driven by Soft Quantum Fluctuation Modes

Zoli

2008

J Low Temp Phys

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The semiclassical Euclidean path integral method is applied to compute the low temperature quantum decay rate for a particle placed in the metastable minimum of a cubic potential in a finite time theory. The classical path, which makes a saddle for the action, is derived in terms of Jacobian elliptic functions whose periodicity establishes the one-to-one correspondence between energy of the classical motion and temperature (inverse imaginary time) of the system. The quantum fluctuation contribution has been computed through the theory of the functional determinants for periodic boundary conditions. The decay rate shows a peculiar temperature dependence mainly due to the softening of the low lying quantum fluctuation eigenvalues.

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Section: Introductionmentioning

confidence: 99%

Metastability Driven by Soft Quantum Fluctuation Modes

Zoli

2008

J Low Temp Phys

View full text Add to dashboard Cite

show abstract

Quantum Spinodal Decay of a Metastable Liquid at Low Temperatures

Cited by 1 publication

References 7 publications

Metastability Driven by Soft Quantum Fluctuation Modes

Metastability Driven by Soft Quantum Fluctuation Modes

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