Bose's Probabilistic Interactions, Einstein's Objections, and Their Legacy in Quantum Optics and Stochastic Mechanics
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arXiv
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2025
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| _version_ | 1866914047086034944 |
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| author | Ghose, Partha |
| author_facet | Ghose, Partha |
| contents | In 1924, S. N. Bose proposed (i) a new counting method for photons and (ii) a probabilistic law of microscopic matter-radiation interactions, treating emission and absorption as two aspects of a single, field-dependent process. While Einstein enthusiastically extended Bose's counting to material particles, he sharply criticized the probabilistic law, invoking detailed balance and the correspondence principle. This paper argues that (i) once one distinguishes encounter probabilities from transition rates, Einstein's concerns can be reconciled, and (ii) that modern quantum optics and cavity QED vindicate Bose's core intuition: ``spontaneous'' emission is not an intrinsic property of an isolated atom, as Einstein had assumed, but emerges from its coupling to the quantized field, with the rate set by the local photonic mode structure (LDOS/Purcell effect), all while satisfying Einstein's correspondence requirement in the classical (high-intensity) limit. It is further suggested that stochastic-mechanics models--persistent random walks leading to the telegrapher's equation, with diffusive and chiral limits yielding the Schrödinger and Dirac equations--accord more closely with Bose's view of fundamental randomness than standard quantum mechanics, and furnish a mesoscopic bridge that reconciles micro-level stochasticity with Einstein's demand for the correct classical limit. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2509_15686 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Bose's Probabilistic Interactions, Einstein's Objections, and Their Legacy in Quantum Optics and Stochastic Mechanics Ghose, Partha Quantum Physics In 1924, S. N. Bose proposed (i) a new counting method for photons and (ii) a probabilistic law of microscopic matter-radiation interactions, treating emission and absorption as two aspects of a single, field-dependent process. While Einstein enthusiastically extended Bose's counting to material particles, he sharply criticized the probabilistic law, invoking detailed balance and the correspondence principle. This paper argues that (i) once one distinguishes encounter probabilities from transition rates, Einstein's concerns can be reconciled, and (ii) that modern quantum optics and cavity QED vindicate Bose's core intuition: ``spontaneous'' emission is not an intrinsic property of an isolated atom, as Einstein had assumed, but emerges from its coupling to the quantized field, with the rate set by the local photonic mode structure (LDOS/Purcell effect), all while satisfying Einstein's correspondence requirement in the classical (high-intensity) limit. It is further suggested that stochastic-mechanics models--persistent random walks leading to the telegrapher's equation, with diffusive and chiral limits yielding the Schrödinger and Dirac equations--accord more closely with Bose's view of fundamental randomness than standard quantum mechanics, and furnish a mesoscopic bridge that reconciles micro-level stochasticity with Einstein's demand for the correct classical limit. |
| title | Bose's Probabilistic Interactions, Einstein's Objections, and Their Legacy in Quantum Optics and Stochastic Mechanics |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2509.15686 |