Modifications to cosmological power spectra from scalar-tensor entanglement and their observational consequences

Journal Article · Tue Dec 06 00:00:00 EST 2016 · Journal of Cosmology and Astroparticle Physics

DOI:https://doi.org/10.1088/1475-7516/2016/12/011· OSTI ID:22572198

Bolis, Nadia; Albrecht, Andreas ^[1]; Holman, R. ^[2]

---

1. Department of Physics, University of California at Davis,One Shields Ave, Davis CA 95616 (United States)
2. Physics Department, Carnegie Mellon University,Pittsburgh, PA 15213 (United States)

We consider the effects of entanglement in the initial quantum state of scalar and tensor fluctuations during inflation. We allow the gauge-invariant scalar and tensor fluctuations to be entangled in the initial state and compute modifications to the various cosmological power spectra. We compute the angular power spectra (C{sub l}’s) for some specific cases of our entangled state and discuss what signals one might expect to find in CMB data. This entanglement also can break rotational invariance, allowing for the possibility that some of the large scale anomalies in the CMB power spectrum might be explained by this mechanism.

• Sponsoring Organization: SCOAP3, CERN, Geneva (Switzerland)
• OSTI ID: 22572198
• Journal Information: Journal of Cosmology and Astroparticle Physics, Vol. 2016, Issue 12; Other Information: PUBLISHER-ID: JCAP12(2016)011; OAI: oai:repo.scoap3.org:18197; cc-by Article funded by SCOAP3. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 License. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.; Country of input: International Atomic Energy Agency (IAEA); ISSN 1475-7516
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
COSMOLOGICAL INFLATION
COSMOLOGY
ENERGY SPECTRA
GAUGE INVARIANCE
INFLATIONARY UNIVERSE
MODIFICATIONS
QUANTUM ENTANGLEMENT
QUANTUM MECHANICS
QUANTUM STATES
RELICT RADIATION
ROTATIONAL INVARIANCE