Resurrecting Vanilla Power Law Inflation with the aid of Continuous Spontaneous Localization in the ACT era

• URL: http://arxiv.org/abs/2508.14602v1
• Date: Wed, 20 Aug 2025 10:39:20 GMT
• Title: Resurrecting Vanilla Power Law Inflation with the aid of Continuous Spontaneous Localization in the ACT era
• Authors: Suratna Das,
• Abstract summary: We show that collapsed modified Power Law Inflation can indeed circumvent the issue with observations.<n>Such an inflationary model also produces a more red-tilted tensor spectrum and no running for both the scalar and tensor spectral indices.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The Vanilla Power Law Inflation is plagued with two severe drawbacks, the one being the issue of graceful exit, and the other being its compatibility with the existing data. There's yet another daunting problem generic to any inflationary model, and not particular to the Power Law Inflation, is the issue of classicalization of the primordial quantum perturbation. This issue is often treated as an isolated problem primarily because decoherence is often invoked to tackle such problems and decoherence, in principle, doesn't leaves any observational imprints. However, that's not the case if one invokes the collapse models of quantum mechanics to resolve such a problem, because the collapse models do modify the Schr\"{o}dinger evolution of the quantum system and the modified dynamics is bound to leave imprints. We show that collapsed modified Power Law Inflation can indeed circumvent the issue with observations and can be made compatible with all the current data coming from {\it Planck}, {\it ACT}, DESI and BAO while resolving the classicalization issue associated with the quantum primordial fluctuations. Such an inflationary model also produces a more red-tilted tensor spectrum and no running for both the scalar and tensor spectral indices, which can be a litmus test for this model.

Related papers

• Random-Matrix-Induced Simplicity Bias in Over-parameterized Variational Quantum Circuits [72.0643009153473]
  We show that expressive variational ansatze enter a Haar-like universality class in which both observable expectation values and parameter gradients concentrate exponentially with system size.<n>As a consequence, the hypothesis class induced by such circuits collapses with high probability to a narrow family of near-constant functions.<n>We further show that this collapse is not unavoidable: tensor-structured VQCs, including tensor-network-based and tensor-hypernetwork parameterizations, lie outside the Haar-like universality class.
  arXiv  Detail & Related papers  (2026-01-05T08:04:33Z)
• Inflation is Not Magic [0.0]
  We show that quantum inflationary perturbations are continuous variable stabilizer states with vanishing quantum magic.<n>Despite their quantum origins and description, these states can be efficiently simulated using classical algorithms.
  arXiv  Detail & Related papers  (2025-12-10T22:21:30Z)
• Second Law of Entanglement Manipulation with Entanglement Battery [41.94295877935867]
  A central question since the beginning of quantum information science is how two distant parties can convert one entangled state into another.<n>It has been conjectured that such conversions could be executed reversibly in an regime, mirroring the reversible nature of Carnot cycles in classical thermodynamics.<n>We show that arbitrary mixed state entanglement transformations can be made under local operations and classical reversible communication.
  arXiv  Detail & Related papers  (2024-05-17T07:55:04Z)
• Disorder-tunable entanglement at infinite temperature [18.552959588855124]
  We build a custom-built superconducting qubit ladder to realize non-thermalizing states with rich entanglement structures. Despite effectively forming an "infinite" temperature ensemble, these states robustly encode quantum information far from equilibrium.
  arXiv  Detail & Related papers  (2023-12-15T21:30:38Z)
• Universality of critical dynamics with finite entanglement [68.8204255655161]
  We study how low-energy dynamics of quantum systems near criticality are modified by finite entanglement. Our result establishes the precise role played by entanglement in time-dependent critical phenomena.
  arXiv  Detail & Related papers  (2023-01-23T19:23:54Z)
• The inflation hierarchy and the polarization hierarchy are complete for the quantum bilocal scenario [1.9798034349981157]
  We show that the quantum inflation hierarchy is complete for the bilocal scenario in the commuting observables model of locality. We also give a bilocal version of an observation by Tsirelson, namely that in finite dimensions, the commuting observables model and the tensor product model of locality coincide.
  arXiv  Detail & Related papers  (2022-12-21T19:00:09Z)
• Inflation: a Python library for classical and quantum causal compatibility [68.8204255655161]
  Inflation is a Python library for assessing whether an observed probability distribution is compatible with a causal explanation. The library is designed to be modular and with the ability of being ready-to-use, while keeping an easy access to low-level objects for custom modifications.
  arXiv  Detail & Related papers  (2022-11-08T19:00:01Z)
• Anomalous universal adiabatic dynamics: The case of the Fredkin model [0.0]
  We study the number of defects which can exhibit another universal scaling law which is still related only to the critical exponents $z$ and $nu$, but differs from the Kibble-Zurek result. We provide an example, the deformed Fredkin spin chain, where this violation of the standard adiabatic dynamics can occur.
  arXiv  Detail & Related papers  (2022-07-16T08:32:46Z)
• Fast Thermalization from the Eigenstate Thermalization Hypothesis [69.68937033275746]
  Eigenstate Thermalization Hypothesis (ETH) has played a major role in understanding thermodynamic phenomena in closed quantum systems. This paper establishes a rigorous link between ETH and fast thermalization to the global Gibbs state. Our results explain finite-time thermalization in chaotic open quantum systems.
  arXiv  Detail & Related papers  (2021-12-14T18:48:31Z)
• No intrinsic decoherence of inflationary cosmological perturbations [0.0]
  We focus on the study of quantum decoherence of cosmological perturbations in inflationary universe. The question is, does its quantum perturbations decohere with an inflationary expansion of the universe.
  arXiv  Detail & Related papers  (2021-12-08T03:28:13Z)
• Chaos in a deformed Dicke model [0.0]
  We study the impact of a perturbation on the development of chaos in a modified version of the paradigmatic Dicke model of quantum optics. We show that the appearance of chaos critically depends on the quantum conserved number provided by this constant of motion.
  arXiv  Detail & Related papers  (2021-12-03T14:07:17Z)
• Quantum Causal Inference in the Presence of Hidden Common Causes: an Entropic Approach [34.77250498401055]
  We put forth a new theoretical framework for merging quantum information science and causal inference by exploiting entropic principles. We apply our proposed framework to an experimentally relevant scenario of identifying message senders on quantum noisy links. This approach can lay the foundations of identifying originators of malicious activity on future multi-node quantum networks.
  arXiv  Detail & Related papers  (2021-04-24T22:45:50Z)
• Observational constraints on quantum decoherence during inflation [0.0]
  We show that decoherence can occur without altering the power spectrum. This demonstrates that decoherence is not only of theoretical importance but can also be crucial for astrophysical observations.
  arXiv  Detail & Related papers  (2018-01-30T12:10:11Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.