Spin-dependent observable effect for free particles using the arrival time distribution

Md Manirul Ali; A. S. Majumdar; Dipankar Home; Shyamal Sengupta

Spin-dependent observable effect for free particles using the arrival time distribution

Md Manirul Ali
, A. S. Majumdar
, Dipankar Home
, Shyamal Sengupta

Department of Physics

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

For measuring the spin of a particle, it is usually subjected to an external field, as in a Stern-Gerlach apparatus. Such an observable effect thus highlights the feature that the spin of a particle is intrinsic property and is not contigent on the presence of an external field. As demonstrated, the spin-dependent term in the Dirac probability current density contributes significantly to the computed mean arrival time for a range of suitably chosen parameters of the Gaussian wave packet.

Original language	English
Article number	042105
Pages (from-to)	042105/1-042105/5
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	68
Issue number	4 A
Publication status	Published - 2003 Oct

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

Cite this

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abstract = "For measuring the spin of a particle, it is usually subjected to an external field, as in a Stern-Gerlach apparatus. Such an observable effect thus highlights the feature that the spin of a particle is intrinsic property and is not contigent on the presence of an external field. As demonstrated, the spin-dependent term in the Dirac probability current density contributes significantly to the computed mean arrival time for a range of suitably chosen parameters of the Gaussian wave packet.",

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AU - Ali, Md Manirul

AU - Majumdar, A. S.

AU - Home, Dipankar

AU - Sengupta, Shyamal

PY - 2003/10

Y1 - 2003/10

N2 - For measuring the spin of a particle, it is usually subjected to an external field, as in a Stern-Gerlach apparatus. Such an observable effect thus highlights the feature that the spin of a particle is intrinsic property and is not contigent on the presence of an external field. As demonstrated, the spin-dependent term in the Dirac probability current density contributes significantly to the computed mean arrival time for a range of suitably chosen parameters of the Gaussian wave packet.

AB - For measuring the spin of a particle, it is usually subjected to an external field, as in a Stern-Gerlach apparatus. Such an observable effect thus highlights the feature that the spin of a particle is intrinsic property and is not contigent on the presence of an external field. As demonstrated, the spin-dependent term in the Dirac probability current density contributes significantly to the computed mean arrival time for a range of suitably chosen parameters of the Gaussian wave packet.

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M3 - Article

AN - SCOPUS:13244289158

SN - 1050-2947

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JO - Physical Review A - Atomic, Molecular, and Optical Physics

JF - Physical Review A - Atomic, Molecular, and Optical Physics

IS - 4 A

M1 - 042105

ER -

Spin-dependent observable effect for free particles using the arrival time distribution

Abstract

All Science Journal Classification (ASJC) codes

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