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Primordial Black Holes from Inflation

Primordial Black Holes from Inflation

Hardcover

Physics

ISBN10: 3725871566
ISBN13: 9783725871568
Publisher: Mdpi AG
Published: Apr 9 2026
Pages: 354
Weight: 2.12
Height: 1.13 Width: 6.69 Depth: 9.61
Language: English

Primordial black holes (PBHs) are the most economical option used to explain dark matter (DM). If generated by large fluctuations of scalar primordial perturbations, a full explanation of DM in terms of PBHs only depends on a thorough understanding of inflation. Recently, constraints on the existence of PBHs were largely updated, leaving the intriguing possibility that DM is entirely constituted by the PBHs of sub-lunar masses. In this case, their abundance is intimately related to the inflationary evolution at sub-CMB scales. Thus, the discovery of those mini PBHs would also provide important information about the initial inflationary stages of our universe. The last few years have also seen a rise in intense theoretical activity that has provided the foundations for precise predictions of PBH abundances.

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Physics