Results 201 to 210 of about 775,871 (306)

Tracing black hole and galaxy co-evolution in the Romulus simulations [PDF]

open access: bronze, 2019
Angelo Ricarte   +3 more
openalex   +1 more source

Synchronous X-ray/optical quasi-periodic oscillations from the black hole LMXB MAXI J1820+070 [PDF]

open access: bronze, 2021
Jessymol K Thomas   +12 more
openalex   +1 more source

Black Holes at Accelerators

open access: yes, 2005
In theories with large extra dimensions and TeV-scale gravity, black holes are copiously produced in particle collisions at energies well above the Planck scale. I briefly review some recent work on the phenomenology of this process, with emphasis on theoretical uncertainties and possible strategies for measuring the number of extra dimensions.
openaire   +3 more sources

Tunable and Recyclable Piezoelectric Biomaterials via Ion‐Directed Guanine‐Quadruplex Assembly

open access: yesAdvanced Functional Materials, EarlyView.
Guanine‐quadruplex (GQ) assemblies, formed via ion‐mediated self‐assembly of amphiphilic guanine derivatives, are introduced as tunable and recyclable piezoelectric biomaterials. Distinct alkali ions induce unique dipole configurations and piezoelectric outputs, with K⁺ yielding the highest performance.
Seungho Lee   +9 more
wiley   +1 more source

In Situ Study of Resistive Switching in a Nitride‐Based Memristive Device

open access: yesAdvanced Functional Materials, EarlyView.
In situ TEM biasing experiment demonstrates the volatile I‐V characteristic of MIM lamella device. In situ STEM‐EELS Ti L2/L3 ratio maps provide direct evidence of the oxygen vacancies migrations under positive/negative electrical bias, which is critical for revealing the RS mechanism for the MIM lamella device.
Di Zhang   +19 more
wiley   +1 more source

Growth of massive black hole seeds by migration of stellar and primordial black holes: gravitational waves and stochastic background [PDF]

open access: green, 2021
Lumen Boco   +11 more
openalex   +1 more source

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