5 papers
Moduli Spaces of Connections and B-fields from T-duality with H-flux
Fei Han, Pedram Hekmati, Tsuyoshi Kato +1
We study the geometry of mixed fields, consisting of a connection and a -field on a principal circle bundle over a Riemann surface, from the perspective of gauge theory and T-du…
Index and small bundle gerbes
Varghese Mathai, Richard B. Melrose
By a small bundle gerbe we mean a bundle gerbe in the sense of Murray defined on a smooth, finite-dimensional, fibre bundle over a manifold. We construct such gerbes over compact o…
Loop Hori Formulae for T-duality and Twisted Bismut-Chern Character
Fei Han, Varghese Mathai
The main purpose of this paper is to establish the loop space formulation of T-duality in the presence of background flux. In particular, we construct a loop space analogue of the…
Latitudinal dependence of heat transport in turbulent geostrophic convection
Veeraraghavan Kannan, Varghese Mathai, Xiaojue Zhu
Latitudinal variations in turbulent heat flux play a key role in the thermal and magnetic evolution of rapidly rotating planets and stars. Although global spherical-shell simulatio…
Active biphasic heat transfer enhancement in vertical natural convection
Haoran Qi, Chaoben Zhao, Yaning Fan +3
Vertical natural convection (VC), often cannot meet the high heat transfer demands due to the inherent misalignment of the direction of buoyancy (vertical) with the direction of th…