Energy-efficient communication in battery-constrained portable devices

Markopoulou, Athina; Li, Y.; Chan, Carri W.; Bambos, Nicholas

doi:10.1109/icbn.2005.1589644

Cited by 2 publications

(2 citation statements)

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“…In this paper we discuss a new cosmological scenario in which the consequences of spacetime being quantum mechanical contribute to observable phenomena throughout the lifetime of the universe [1]. The reason is that, as proposed in [2,3], one generic consequence of spacetime having a quantum microscopic structure is that locality is disordered.…”

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confidence: 98%

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Disordered locality as an explanation for the dark energy

Prescod-Weinstein¹,

Smolin

2009

Phys. Rev. D

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We discuss a novel explanation of the dark energy as a manifestation of macroscopic non-locality coming from quantum gravity, as proposed by Markopoulou[1].It has been previously suggested that in a transition from an early quantum geometric phase of the universe to a low temperature phase characterized by an emergent spacetime metric, locality might have been "disordered". This means that there is a mismatch of micro-locality, as determined by the microscopic quantum dynamics and macro-locality as determined by the classical metric that governs the emergent low energy physics. In this paper we discuss the consequences for cosmology by studying a simple extension of the standard cosmological models with disordered locality. We show that the consequences can include a naturally small vacuum energy. * Electronic address: cweinstein@perimeterinstitute.ca † Electronic address: lsmolin@perimeterinstitute.ca 2 Contents

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confidence: 98%

“…It has been pointed out in [1,3] that these two notions of locality may not completely coincide, even in the case when the quantum state defines an emergent classical metric, q ab .…”

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confidence: 99%