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  • Comment: Previously rejected at Draft:Dhiraj Sinha. Please discuss with prior reviewer to re-open that submission. Bobby Cohn (talk) 18:44, 28 March 2025 (UTC)

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Dhiraj Sinha

Dhiraj Sinha is an Indian physicist and academic known for his research in theoretical physics, particularly in the fields of electromagnetism, photon behavior, and electron excitation. He is a faculty member at <a href="https://plaksha.edu.in/">Plaksha University</a> in India and holds a doctorate from the <a href="https://www.cam.ac.uk/">University of Cambridge</a>.

Education and Career

Sinha earned his Ph.D. from the University of Cambridge in electrical engineering. He later joined Plaksha University, an institution focused on science, technology, engineering, and mathematics (STEM), as a faculty member. His work bridges classical and quantum physics, with a particular emphasis on reinterpreting foundational concepts in electromagnetism and electrodynamics.

Research

Sinha's research has attracted significant attention for its radically novel perspective on the nature of light and its interaction with matter, particularly in the context of the photoelectric effect. In his 2025 research article, he postulated that Faraday's law of electromagnetic induction can be applied at optical frequencies. The time-varying magnetic flux of light, denoted as φ, generates a voltage defined by V = dφ/dt over a time interval dt. Within this theoretical framework, energy transferred to an electron of charge e by light can be expressed as W = e dφ/dt. Sinha has further suggested that its frequency or phasor domain representation is e φ ω, where ω is the angular frequency of the radiation. A remarkable aspect of this formulation is its equivalence to Einstein's expression for the energy of light quanta, ℏ ω, where ℏ is the reduced Planck's constant, currently understood as the energy of a photon. This perspective offers a framework for deriving the energy of a photon directly from classical electromagnetism, potentially reducing reliance on quantum mechanics to explain photonic phenomena. This work was detailed in his 2025 paper, "Electrodynamic excitation of electrons," published in Annals of Physics<a href="https://www.sciencedirect.com/science/article/abs/pii/S0003491624003002"></a>. As magnetic flux has been found to be quantised in two dimensional electron gas systems and superconducting loops, it implies that magnetic flux quantisation, directly leads to the idea of a photon His theory also suggests that Maxwell's equations may contain implicit clues to the particle-like behavior of light, a concept that has been widely reported. For instance, The Tribune India described his work as "unravelling the mystery of light"<a href="https://www.tribuneindia.com/news/business/unravelling-the-mystery-of-light-bridging-the-gap-between-einstein-and-maxwell/"></a>. Additional coverage from The Week<a href="https://www.theweek.in/wire-updates/business/2025/03/19/dcm22-mystery.html"></a>. El Adelantado<a href="https://eladelantado.com/news/photons-sinha-maxwell-einstein/"></a> and <a href=" https://min.news/en/science/9fb14fc387988f161a556fac2ccf3c01.html /"></a> underscored the potential paradigm shift his findings represent in understanding light's nature. Sinha's earlier research explored the role of broken symmetry in electromagnetic fields, demonstrating its significance in the generation of electromagnetic radiation, in collaboration with Gehan A. J. Amaratunga of Cambridge University<a href="https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.114.147701"></a. The novel way of looking at radiation was widely reported by University of Cambridge Research News<a href="https://www.cam.ac.uk/research/news/new-understanding-of-electromagnetism-could-enable-antennas-on-a-chip"></a>, IEEE Spectrum<a href="https://spectrum.ieee.org/gigahertz-antenna-on-a-chip"></a>, and detailed in Physical Review Letters. He has also written a book entitled,Explicit symmetry breaking in electrodynamic systems and electromagnetic radiation (2016)<a href="https://dx.doi.org/10.1088/978-1-6817-4256-4"></a>, which describes the idea of symmetry breaking in radiation more detail. This was followed by a 2018 invited paper by the Royal Society (Theme Issue: "Celebrating 125 years of Oliver Heaviside's 'Electromagnetic Theory), The Noether current in Maxwell's equations and radiation under symmetry breaking, published in Philosophical Transactions of the Royal Society A<a href="https://doi.org/10.1098/rsta.2017.0452"></a>, where he further developed these ideas using Noether's theorem.

Selected Publications

References

  1. <a href="https://www.sciencedirect.com/science/article/abs/pii/S0003491624003002">"Electrodynamic excitation of electrons"</a>, Annals of Physics, 2025.
  2. <a href="https://www.tribuneindia.com/news/business/unravelling-the-mystery-of-light-bridging-the-gap-between-einstein-and-maxwell/">"Unravelling the mystery of light: Bridging the gap between Einstein and Maxwell"</a>, The Tribune India, 2025.
  3. <a href="https://phys.org/news/2025-03-einstein-quanta-lens-maxwell-equations.html">"Einstein's light quanta through the lens of Maxwell's equations"</a>, Phys.org, March 2025.
  4. <a href="https://www.theweek.in/wire-updates/business/2025/03/19/dcm22-mystery.html">"Unravelling mystery of light"</a>, The Week, March 19, 2025.
  5. <a href="https://eladelantado.com/news/photons-sinha-maxwell-einstein/">"Photons: Sinha, Maxwell and Einstein"</a>, El Adelantado, 2025.
  6. <a href="https://dx.doi.org/10.1088/978-1-6817-4256-4">"Explicit symmetry breaking in electrodynamic systems and electromagnetic radiation"</a>, Morgan & Claypool Publishers, 2016.
  7. <a href="https://doi.org/10.1098/rsta.2017.0452">"The Noether current in Maxwell's equations and radiation under symmetry breaking"</a>, Philosophical Transactions of the Royal Society A, 2018.
  8. <a href="https://www.cam.ac.uk/research/news/new-understanding-of-electromagnetism-could-enable-antennas-on-a-chip">"New understanding of electromagnetism could enable 'antennas on a chip'"</a>, University of Cambridge, April 2015.
  9. <a href="https://spectrum.ieee.org/gigahertz-antenna-on-a-chip">"Gigahertz Antenna on a Chip"</a>, IEEE Spectrum, 2015.
  10. <a href="https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.114.147701">"Physical Review Letters, Vol. 114, 147701"</a>, American Physical Society, 2015.

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