Background: The reconciliation of General Relativity with Quantum Mechanics remains the primary challenge in modern theoretical physics. Traditional approaches often assume a fixed background geometry, yet recent developments in string theory and loop quantum gravity suggest that spacetime is not fundamental but emergent. Specifically, the Holographic Principle implies that the information defining the bulk universe is encoded on a lower-dimensional boundary, raising the question of how a singular, classical reality arises from a quantum superposition of geometries. Purpose: This paper proposes a novel model of quantum cosmology where the observed spacetime is defined not as a pre-existing manifold, but as a macroscopic "ensemble average" of all possible spacetime fabrics. We aim to demonstrate that the perception of a unique physical reality is a result of holographic projection rather than intrinsic geometric properties. Methods: We utilize the AdS/CFT correspondence to model the universe as a holographic projection arising from a single, universal quantum state. By applying Feynman’s Path Integral formulation to the "superspace" of all possible metrics, we calculate the sum over histories for these geometric projections. We treat the emergence of classical spacetime as a process of constructive interference among infinite holographic realizations, filtering out unstable geometries through environmental decoherence.
| Published in | American Journal of Modern Physics (Volume 15, Issue 1) |
| DOI | 10.11648/j.ajmp.20261501.12 |
| Page(s) | 9-12 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2026. Published by Science Publishing Group |
Quantum Cosmology, Holographic Principle, Emergent Spacetime, AdS/CFT Correspondence, Path Integral Formulation, Quantum Darwinism, Born Rule
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APA Style
Poojary, B. (2026). The Ensemble Projection Hypothesis: Spacetime Emergence from Holographic Interference. American Journal of Modern Physics, 15(1), 9-12. https://doi.org/10.11648/j.ajmp.20261501.12
ACS Style
Poojary, B. The Ensemble Projection Hypothesis: Spacetime Emergence from Holographic Interference. Am. J. Mod. Phys. 2026, 15(1), 9-12. doi: 10.11648/j.ajmp.20261501.12
AMA Style
Poojary B. The Ensemble Projection Hypothesis: Spacetime Emergence from Holographic Interference. Am J Mod Phys. 2026;15(1):9-12. doi: 10.11648/j.ajmp.20261501.12
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Download@article{10.11648/j.ajmp.20261501.12,
author = {Bhushan Poojary},
title = {The Ensemble Projection Hypothesis: Spacetime Emergence from Holographic Interference},
journal = {American Journal of Modern Physics},
volume = {15},
number = {1},
pages = {9-12},
doi = {10.11648/j.ajmp.20261501.12},
url = {https://doi.org/10.11648/j.ajmp.20261501.12},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajmp.20261501.12},
abstract = {Background: The reconciliation of General Relativity with Quantum Mechanics remains the primary challenge in modern theoretical physics. Traditional approaches often assume a fixed background geometry, yet recent developments in string theory and loop quantum gravity suggest that spacetime is not fundamental but emergent. Specifically, the Holographic Principle implies that the information defining the bulk universe is encoded on a lower-dimensional boundary, raising the question of how a singular, classical reality arises from a quantum superposition of geometries. Purpose: This paper proposes a novel model of quantum cosmology where the observed spacetime is defined not as a pre-existing manifold, but as a macroscopic "ensemble average" of all possible spacetime fabrics. We aim to demonstrate that the perception of a unique physical reality is a result of holographic projection rather than intrinsic geometric properties. Methods: We utilize the AdS/CFT correspondence to model the universe as a holographic projection arising from a single, universal quantum state. By applying Feynman’s Path Integral formulation to the "superspace" of all possible metrics, we calculate the sum over histories for these geometric projections. We treat the emergence of classical spacetime as a process of constructive interference among infinite holographic realizations, filtering out unstable geometries through environmental decoherence.},
year = {2026}
}
TY - JOUR T1 - The Ensemble Projection Hypothesis: Spacetime Emergence from Holographic Interference AU - Bhushan Poojary Y1 - 2026/02/09 PY - 2026 N1 - https://doi.org/10.11648/j.ajmp.20261501.12 DO - 10.11648/j.ajmp.20261501.12 T2 - American Journal of Modern Physics JF - American Journal of Modern Physics JO - American Journal of Modern Physics SP - 9 EP - 12 PB - Science Publishing Group SN - 2326-8891 UR - https://doi.org/10.11648/j.ajmp.20261501.12 AB - Background: The reconciliation of General Relativity with Quantum Mechanics remains the primary challenge in modern theoretical physics. Traditional approaches often assume a fixed background geometry, yet recent developments in string theory and loop quantum gravity suggest that spacetime is not fundamental but emergent. Specifically, the Holographic Principle implies that the information defining the bulk universe is encoded on a lower-dimensional boundary, raising the question of how a singular, classical reality arises from a quantum superposition of geometries. Purpose: This paper proposes a novel model of quantum cosmology where the observed spacetime is defined not as a pre-existing manifold, but as a macroscopic "ensemble average" of all possible spacetime fabrics. We aim to demonstrate that the perception of a unique physical reality is a result of holographic projection rather than intrinsic geometric properties. Methods: We utilize the AdS/CFT correspondence to model the universe as a holographic projection arising from a single, universal quantum state. By applying Feynman’s Path Integral formulation to the "superspace" of all possible metrics, we calculate the sum over histories for these geometric projections. We treat the emergence of classical spacetime as a process of constructive interference among infinite holographic realizations, filtering out unstable geometries through environmental decoherence. VL - 15 IS - 1 ER -
Bachelor of Science Physics, NIMS University, Jaipur, India
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