Results 101 to 110 of about 115,140,986 (222)

Four-charge static non-extremal black holes in the five-dimensional N $$ \mathcal{N} $$ = 2, STU − W 2 U supergravity

Journal of High Energy Physics
We construct, for the first time, new static non-extremal five-dimensional black hole solutions (without or with squashed horizons) endowing with four different electric charge parameters in the D = 5, N $$ \mathcal{N} $$ = 2 supergravity coupled to ...
Di Wu, Shuang-Qing Wu
doaj   +1 more source

Hydraulic Strategies of Cool‐Temperate Trees and Lianas Against Freeze–Thaw Embolism: Is Cold Winter More Severe on Lianas?

Plant, Cell &Environment, EarlyView.
ABSTRACT Lianas are abundant and influential in tropical forests but decline sharply in cooler regions. This pattern has been attributed to their reliance on a small number of large vessels, which are vulnerable to freeze–thaw embolism. However, the hydraulic functioning of lianas in cooler regions remains poorly understood.
Ryuji Ichihashi, Haruhiko Taneda, Yasuhiro Utsumi   +2 more
wiley   +1 more source

Black holes in string theory with duality twists [PDF]

, 2020
We consider 5D supersymmetric black holes in string theory compactifications that partially break supersymmetry. We compactify type IIB on T4 and then further compactify on a circle with a duality twist to give Minkowski vacua preserving partial ...
Stemerdink, Koen, Hull, Chris, Vandoren, Stefan, Marcus, Eric   +3 more
core  

The gravitational index of a small black ring

Journal of High Energy Physics
Certain supersymmetric elementary string states with angular momentum can be viewed as small black rings in a five-dimensional string theory. These black rings have zero area event horizon.
Subhodip Bandyopadhyay, Gurmeet Singh Punia, Yogesh K. Srivastava, Amitabh Virmani   +3 more
doaj   +1 more source

Nurse structures effectively improve the performance of restoration plantings: a systematic review

Restoration Ecology, EarlyView.
Abstract Introduction Tree planting for ecosystem restoration often occurs on disturbed, degraded, or former agricultural sites, where seedlings face harsh conditions like sun exposure, drought, wind, frost, and browsing, which can lead to poor performance.
Klaus Kremer, Sarah Holtkamp, Bengt‐Gunnar Jonsson, Jürgen Bauhus   +3 more
wiley   +1 more source

Smooth supergravity solutions and string states [PDF]

, 2005
In this thesis we study smooth supergravity solutions and their relation to string theory in two different contexts; quotient spaces and asymptotically flat solitonic solutions.
Madden, Owen Francis
core  

Weak gravity conjecture, black hole entropy, and modular invariance

Journal of High Energy Physics, 2019
In recent literature, it has been argued that a mild form of the Weak Gravity Conjecture (WGC) is satisfied by wide classes of effective field theories in which higher-derivative corrections can be shown to shift the charge-to-mass ratios of extremal ...
Lars Aalsma, Alex Cole, Gary Shiu
doaj   +1 more source

EXTREME DYONIC BLACK HOLES IN STRING THEORY [PDF]

Modern Physics Letters A, 1996
Supersymmetric extreme dyonic black holes of toroidally compactified heterotic or type-II string theory can be viewed as lower-dimensional images of solitonic strings wound around a compact dimension. We consider conformal sigma models which describe string configurations corresponding to various extreme dyonic black holes in four and five dimensions.
openaire   +2 more sources

Living in the Mycelial World

Topics in Cognitive Science, EarlyView.
Abstract This manuscript documents a systematic ethnomycological analysis of ethnographic archives. Focusing on texts describing human–fungi interactions, I conduct a global, cross‐cultural review of mushroom use, covering 193 societies worldwide. The study reveals diverse mushroom‐related cultural practices, emphasizing the significance of fungi ...
Roope O. Kaaronen
wiley   +1 more source

Braneworld black holes [PDF]

, 2006
The braneworld paradigm provides an interesting framework within which to explore the possibility that our Universe lives in a fundamentally higher dimensional space- time.
Whisker, Richard
core