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A Quantum-Mechanical Mechanism for Reducing the Cosmological Constant

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arxiv 2204.13124 v2 pith:R7ZF5WVO submitted 2022-04-27 hep-th astro-ph.COgr-qchep-ph

A Quantum-Mechanical Mechanism for Reducing the Cosmological Constant

classification hep-th astro-ph.COgr-qchep-ph
keywords constantcosmologicalmechanismdynamicallyminkowskiquantum-mechanicalspacetoward
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We exhibit a mechanism which dynamically adjusts cosmological constant toward $0^+$. The adjustment is quantum-mechanical, discharging cosmological constant in random discrete steps. It renders de Sitter space unstable, and triggers its decay toward Minkowski. Since the instability dynamically stops at $\Lambda = 0$, the evolution favors the terminal Minkowski space without a need for anthropics. The mechanism works for any QFT coupled to gravity.

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