The distribution mechanism of noise fluxes between three oscillating modes of a free-running class-A laser

Khalilzadeh, Elnaz; Jahanpanah, J.

doi:10.1007/s00340-016-6324-0

Cited by 1 publication

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“…It is reminded that the vibrational level number n takes the values 1, 2, 3, …, and the lowest value 1  n is only used for constructing the vibrational Hamiltonian without appearing in the final results ( 16)- (18).…”

Section:  mentioning

confidence: 99%

“…in which  is the reduced mass, and vib  is the vibrational frequency of electron in HLA as defined in (18). It is reminded that equation ( 21) is the well-known Langevin equation which here derived for the vibrational motion of HLA for the first time by using the vibrational Hamiltonian of HLA vib H ˆ given by (11).…”

Section: The Positional Potential Kinetic and Spontaneous Emission No...mentioning

confidence: 99%

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The forming mechanism of spontaneous emission noise flux radiated from hydrogen-like atoms by means of vibrational Hamiltonian

Jahanpanah

2021

AIP Advances

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A theoretical model is introduced for constructing the vibrational Hamiltonian of Hydrogenlike atoms (HLA). The Hamiltonian is then used to derive the vibrational motion equations of HLA in Heisenberg picture. The Langevin equation will ultimately be formed after adding the dissipative term and fluctuating (Langevin) force according to the fluctuation-dissipation theorem (FDT). The positional noise flux is then defined as the correlation function of fluctuations that happens for the electron position during its rather fast vibrational oscillations ( Hz vib 15 10   ). On the other hand, the positional fluctuations led to the fluctuations in the potential and kinetic energies of oscillating electron so that the appearance of the potential and kinetic noise fluxes is vulnerable. The positional, potential, and kinetic noise fluxes of oscillating electron will be determined by solving the Langevin equation in frequency domain.It is finally demonstrated that the potential and kinetic noise fluxes commonly act as an internal source for producing the external noise flux emitted from HLA in the form of spontaneous emission with a Lorentzian profile. In contrast with all previous procedures, no ambient effect has been involved to describe the forming mechanism of spontaneous emission for the first time.

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Section:  mentioning

confidence: 99%

Section: The Positional Potential Kinetic and Spontaneous Emission No...mentioning

confidence: 99%

The forming mechanism of spontaneous emission noise flux radiated from hydrogen-like atoms by means of vibrational Hamiltonian

Jahanpanah

2021

AIP Advances

Self Cite

View full text Add to dashboard Cite

show abstract

The distribution mechanism of noise fluxes between three oscillating modes of a free-running class-A laser

Cited by 1 publication

References 30 publications

The forming mechanism of spontaneous emission noise flux radiated from hydrogen-like atoms by means of vibrational Hamiltonian

The forming mechanism of spontaneous emission noise flux radiated from hydrogen-like atoms by means of vibrational Hamiltonian

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