22 February 2024

Enhanced Insights into Photon Interactions with External Gravitational Fields:

DOI: http://dx.doi.org/10.13140/RG.2.2.10173.64482

Soumendra Nath Thakur
22nd February, 2024

Abstract:

This abstract provides an in-depth examination of photon interactions with external gravitational fields, building upon the principles discussed in the paper titled "Distinguishing Photon Interactions: Source Well vs. External Fields." The analysis elucidates how gravitational effects influence the properties of photons, including momentum and energy. Symmetry in the changes of photon momentum (Δρ) is explored, where Δρ = -Δρ signifies the equivalence between redshift and blueshift. Mathematical presentations demonstrate the conservation principles involved, highlighting how changes in wavelength affect photon energy while maintaining total energy constancy. The constancy of the speed of light (c) is emphasized, underscoring its fundamental nature amidst varying wavelengths. Through this abstract, a deeper understanding of the complexities of photon interactions with gravitational fields emerges, enriching the discourse on this intricate subject matter.

Keywords: Photon Interactions, Gravitational Fields, Momentum Symmetry, Energy Conservation, Speed of Light,

Tagore’s Electronic Lab, India

The author declared no conflict of Interest.

Introduction:

The interaction of photons with external gravitational fields constitutes a fundamental aspect of astrophysics and cosmology, shaping our understanding of the universe's dynamics. In the paper titled "Distinguishing Photon Interactions: Source Well vs. External Fields," the complexities of these interactions are explored, laying the groundwork for further investigation. This introduction provides a comprehensive overview of the additional insights presented herein, which offer a detailed examination of photon behaviour under the influence of gravitational forces. By delving into the symmetry of changes in photon momentum, the equivalence of redshift and blueshift, and the conservation principles governing photon energy, this analysis expands our comprehension of how photons respond to gravitational environments. Through mathematical formulations and conceptual discussions, this introduction sets the stage for a deeper exploration of the intricate relationship between photons and gravitational fields, enhancing our grasp of the underlying physics at play.

Mathematical Presentations:

Symmetry in Photon Momentum Changes:

Equation: Δρ = −Δρ

This equation represents the symmetry observed in the changes of photon momentum, where the change in momentum (Δρ) is equal in magnitude but opposite in direction for redshift and blueshift phenomena.

Relationship between Momentum Change and Wavelength Change:

Equation: Δρ = h/Δλ = h/-Δλ

These equations express the relationship between changes in photon momentum (Δρ) and changes in wavelength (Δλ). The constant 'h' represents Planck's constant, indicating that the magnitude of the momentum change is inversely proportional to the magnitude of the wavelength change.

Equation Relating Energy, Frequency, and Wavelength:

Equation: E = hf = h(c/λ)

This equation relates the energy (E) of a photon to its frequency (f) and wavelength (λ), where 'h' is Planck's constant and 'c' is the speed of light. It demonstrates how changes in wavelength correspond to changes in energy while maintaining the total energy constant.

Energy Conservation Equation for Redshift:

Equation: (E - ΔE) = hc/(λ+Δλ) = hc/(λ-Δλ) = (E + ΔE)

This equation represents energy conservation in the context of redshift, where there is a change (Δλ) in the photon's wavelength. It shows that the change in energy (ΔE) due to redshift is compensated by the corresponding change in wavelength, resulting in a total energy that remains constant.

Constancy of the Speed of Light Equation:

Equation: c = fλ

This equation represents the relationship between the speed of light (c), frequency (f), and wavelength (λ). It illustrates that even when the wavelength varies, the product of frequency and wavelength (fλ) remains constant, ensuring the constancy of the speed of light.

These mathematical presentations provide a quantitative framework for understanding the principles discussed in the quoted text, including symmetry in momentum changes, conservation of energy, and the constancy of the speed of light.

Discussion:

The discussion presented in the quoted text delves into the intricate interplay between photons and external gravitational fields, shedding light on several key concepts and their implications.

Firstly, the symmetry observed in the changes of photon momentum (Δρ) is highlighted, where Δρ = -Δρ signifies a fundamental symmetry between redshift and blueshift phenomena. This symmetry, rooted in the conservation principles of momentum, underscores the intricate balance at play in photon interactions with gravitational fields. By acknowledging this symmetry, researchers gain a deeper understanding of how photons respond to gravitational influences, whether they are experiencing redshift or blueshift.

Moreover, the mathematical presentation elucidates how changes in photon wavelength (Δλ) correspond to alterations in photon momentum and energy. The equations presented, such as E = hf = h(c/λ), provide a quantitative framework for understanding the relationship between photon energy, frequency, and wavelength. Through these equations, it becomes apparent that while changes in wavelength may result in shifts in photon energy, the total energy remains conserved, underscoring a fundamental principle of physics.

Furthermore, the discussion emphasizes the constancy of the speed of light (c) despite variations in wavelength. This constancy, rooted in the relationship c = fλ, elucidates how the interplay between frequency and wavelength maintains a consistent speed of light, even in the presence of gravitational influences. Understanding this fundamental property of light is crucial for interpreting observations in astrophysics and cosmology, where gravitational fields often play a significant role.

Overall, the discussion provides valuable insights into the complexities of photon interactions with external gravitational fields. By exploring concepts such as symmetry in momentum changes, conservation of energy, and the constancy of the speed of light, researchers can deepen their understanding of the fundamental principles governing the behaviour of photons in gravitational environments. These insights not only contribute to our theoretical understanding but also have practical implications for interpreting astronomical observations and phenomena.

Conclusion:

The discussion presented offers a comprehensive exploration of photon interactions with external gravitational fields, illuminating fundamental principles and their mathematical representations. By examining the symmetry in photon momentum changes, it becomes evident that redshift and blueshift phenomena exhibit a symmetric relationship, encapsulated by Δρ = -Δρ. This symmetry underscores the intricate balance in photon behaviour under gravitational influences.

Furthermore, the mathematical presentations elucidate the relationships between momentum changes, wavelength alterations, and energy conservation. Equations relating energy, frequency, and wavelength provide a quantitative understanding of how changes in photon properties manifest while preserving total energy. The analysis of energy conservation in the context of redshift highlights the compensatory nature of changes in energy and wavelength, maintaining a constant total energy.

Additionally, the constancy of the speed of light, emphasized through the relationship c = fλ, underscores a fundamental property of light unaffected by gravitational fields. This constancy serves as a cornerstone for interpreting observations in astrophysics and cosmology, facilitating our understanding of the universe's dynamics.

In conclusion, the insights provided deepen our understanding of the complexities of photon interactions with gravitational fields. By combining conceptual discussions with mathematical formulations, this discussion enriches our comprehension of fundamental principles governing photon behaviour and lays the groundwork for further exploration in astrophysics and cosmology.

References:

[1] (PDF) Understanding Photon Interactions: Source Gravitational Wells vs. External Fields. (2024) ResearchGate https://doi.org/10.13140/RG.2.2.14433.48487

[2] Thakur, S. N. (2023b). The dynamics of photon momentum exchange and curvature in gravitational fields Definitions https://doi.org/10.32388/r625zn

[3] Thakur, S. N. (2023a). Photon paths bend due to momentum exchange, not intrinsic spacetime curvature. Definitions https://doi.org/10.32388/81iiae

[4] Thakur, S. N. (2024c). Direct Influence of Gravitational Field on Object Motion invalidates Spacetime Distortion. Qeios.com. https://doi.org/10.32388/bfmiau

[5] Thakur, S. N., & Bhattacharjee, D. (2023b). Cosmic Speed beyond Light: Gravitational and Cosmic Redshift. Preprints.org. https://doi.org/10.20944/preprints202310.0153.v1

[6] Thakur, S. N., Bhattacharjee, D., & Frederick, O. (2023). Photon Interactions in Gravity and Antigravity: Conservation, Dark Energy, and Redshift Effects. Preprints.org. https://doi.org/10.20944/preprints202309.2086.v1

[7] Thakur, S. N. (2023d). Cosmic Speed beyond Light: Gravitational and Cosmic Redshift. ResearchGate https://doi.org/

No comments: