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arXiv 2103.10437hep-thastro-ph.COgr-qchep-ph
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Gravitino Swampland猜想

The Gravitino Swampland Conjecture

Edward W. Kolb, Andrew J. Long, Evan McDonough

摘要:

我们将沼泽地从与量子引力不一致的有效场论推广到与量子超引力不一致的有效场论。这扩大了沼泽地,包括EFT,当引力子被量子化时,EFT变得不一致。我们提出了引力子沼泽猜想:引力子声速在所有低能极限的量子超引力场中必须是非零的。这个看似简单的陈述对理论和观测都有重要的影响。这个猜想与弦论中的模稳定化的KKLT和LVS方案是一致的,并得到它们的支持。

英文摘要:

We extend the swampland from effective field theories (EFTs) inconsistent with quantum gravity to EFTs inconsistent with quantum supergravity. This enlarges the swampland to include EFTs that become inconsistent when the gravitino is quantized. We propose the Gravitino Swampland Conjecture: the gravitino sound speed must be non-vanishing in all EFTs that are low energy limits of quantum supergravity. This seemingly simple statement has important consequences for both theories and observations. The conjecture is consistent with and supported by the KKLT and LVS scenarios for moduli stabilization in string theory.

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