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E-print Articles: Recent submissions

  • Observational study of the atmospheric gravity waves in the lower solar atmosphere 
    Chaurasiya, Ravi; Bayanna, Ankala Raja (Cornell University Library, 2025-01)
    The solar chromosphere exhibits a variety of waves originating from the photosphere and deeper layers, causing oscillations at different heights with distinct frequencies. This study identifies and analyze Atmospheric ...
  • JWST-ALMA study of a hub-filament system in the nascent phase 
    Bhadari, N. K.; Dewangan, L. K.; Jadhav, Omkar Ratan; Hoque, Ariful; Pirogov, L. E.; Goldsmith, Paul F.; Maity, Arup Kumar; Sharma, Saurabh; Ismail, A. Haj; Baug, Tapas (Cornell University Library, 2024-12)
    Star clusters, including high-mass stars, form within hub-filament systems (HFSs). Observations of HFSs that remain unaffected by feedback from embedded stars are rare yet crucial for understanding the mass inflow process ...
  • Device-independent, high bit-rate quantum random number generator with beam-splitter-free architecture and live Bell test certification 
    Sahshong, Phidakordor; Chandra, Akash; Mercado-Shekhar, Karla P.; Bhatt, Manish (Cornell University Library, 2024-12)
    We present a beam-splitter-free, high-bit rate, device-independent quantum random number generator (DI-QRNG) with real-time quantumness certification via live Bell test data. Using a 20-mm-long, type-0 phase-matched PPKTP ...
  • Enzyme-regulated non-thermal fluctuations enhance ligand diffusion and receptor-mediated endocytosis 
    Nividha; Maiti, Arnab; Parihar, Kshitiz; Chakraborty, Rik; Agarwala, Pratibha; Sasmal, Dibyendu K.; Radhakrishnan, Ravi; Bhatia, Dhiraj; Dey, Krishna Kanti (Cold Spring Harbor Laboratory, 2024-12)
    Active enzymes during catalyzing chemical reactions, have been found to generate significant mechanical fluctuations, which can influence the dynamics of their surroundings. These phenomena open new avenues for controlling ...
  • Angstrom scale ionic memristors' Engineering with van der waals materials- a route to highly tunable memory states 
    Dhal, Biswabhusan; Animesh, Puzari; Yeh, Li-Hsien; Kalon, Gopinadhan (Cornell University Library, 2024-12)
    Memristors that mimic brain functions are crucial for energy-efficient neuromorphic devices. Ion channels that emulate biological synapses are still in the early stages of development, especially the tunability of memory ...
  • Gravitational waves from regular black holes in extreme mass-ratio inspirals 
    Kumar, Shailesh; Zi, Tieguang (Cornell University Library, 2024-12)
    We analyze a rotating regular black hole spacetime with an asymptotically Minkowski core, focusing on extreme mass-ratio inspiral (EMRIs) where a stellar-mass object inspirals a supermassive black hole under consideration. ...
  • Dynamics of hot QCD matter 2024 - bulk properties 
    Singh, Sunny Kumar; Chandra, Vinod (Cornell University Library, 2024-12)
    The second Hot QCD Matter 2024 conference at IIT Mandi focused on various ongoing topics in high-energy heavy-ion collisions, encompassing theoretical and experimental perspectives. This proceedings volume includes 19 ...
  • Probing spacetime symmetries using gravitational wave ringdown 
    Ghosh, Rajes; Mishra, Akash K.; Sarkar, Sudipta (Cornell University Library, 2024-12)
    The uniqueness and rigidity theorems assert that the asymptotically flat, vacuum, stationary rotating black hole solution in general relativity must be the Kerr solution, exhibiting novel symmetries such as axisymmetry and ...
  • Mon R2: a hub-filament system with an infrared bubble at the hub center 
    Dewangan, L. K.; Bhadari, N. K.; Maity, Arup Kumar; Jadhav, Omkar Ratan; Sharma, Saurabh; Ismail, A. Haj (Cornell University Library, 2024-12)
    A multi-wavelength, multi-scale study of the Mon R2 hub-filament system (HFS) reveals a spiral structure, with the central hub containing more mass than its filaments. ALMA C18O(1-0) emission reveals several accreting ...
  • Passive polarization-encoded BB84 protocol using a heralded single-photon source 
    Rani, Anju; Mongia, Vardaan; Parvatikar, Parvatesh; Gharate, Rutuj; Sharma, Tanya; Ramakrishnan, Jayanth; Chandravanshi, Pooja; Singh, R. P. (Cornell University Library, 2024-12)
    The BB84 quantum key distribution protocol set the foundation for achieving secure quantum communication. Since its inception, significant advancements have aimed to overcome experimental challenges and enhance security. ...
  • Probing dark matter halo profiles with multi-band observations of gravitational waves 
    Tayelyani, Divya; Bhattacharyya, Arpan; Sengupta, Anand S. (Cornell University Library, 2024-11)
    In this paper, we evaluate the potential of multiband gravitational wave observations to constrain the properties of static dark matter spikes around intermediate-mass ratio inspirals. The influence of dark matter on the ...
  • On the influence of the solar wind on the propagation of Earth-impacting coronal mass ejections 
    Kumar, Sandeep; Srivastava, Nandita; Gopalswamy, Nat; Dash, Ashutosh (Cornell University Library, 2024-11)
    Coronal Mass Ejections (CMEs) are subject to changes in their direction of propagation, tilt, and other properties as they interact with the variable solar wind. We investigated the heliospheric propagation of 15 Earth-impacting ...
  • Collective dissipation of oscillator dipoles strongly coupled to 1-D electromagnetic reservoirs 
    Guha, Subhasish; Bar, Ipsita; Agarwalla, Bijay Kumar; Venkatesh, B. Prasanna (Cornell University Library, 2024-11)
    We study the collective dissipative dynamics of dipoles modeled as harmonic oscillators coupled to 1-D electromagnetic reservoirs. The bosonic nature of the dipole oscillators as well as the reservoir modes allows an exact ...
  • Relativistic fluid dynamics in a 'hydro' frame 
    Bhattacharyya, Sayantani; Mitra, Sukanya; Roy, Shuvayu; Singh, Rajeev (Cornell University Library, 2024-10)
    In this letter, we investigate how field redefinition influences the spectrum of linearized perturbations in relativistic fluid dynamics. We show that the hydrodynamic modes do not get affected under local field redefinition, ...
  • Benchmarking quantum chaos from geometric complexity 
    Bhattacharyya, Arpan; Brahma, Suddhasattwa; Chowdhury, Satyaki; Luo, Xiancong (Cornell University Library, 2024-10)
    Recent studies have shown that there is a strong interplay between quantum complexity and quantum chaos. In this work, we consider a new method to study geometric complexity for interacting non-Gaussian quantum mechanical ...
  • Probing deviations to Kerr geometry with extreme mass-ratio inspirals 
    Kumar, Shailesh (Cornell University Library, 2024-10)
    One of the primary research aims of the Laser Interferometer Space Antenna (LISA) mission is to comprehensively map the Kerr spacetime, a fundamental pursuit in the realm of general relativity. To achieve this goal, it is ...
  • Beamsplitter-free, high bit-rate, quantum random number generator based on temporal and spatial correlations of heralded single-photons 
    Nai, Ayan Kumar; Sharma, Amritash; Kumar, Vimlesh; Singh, Sandeep; Mishra, Shreya; Chandrashekar, C. M.; Samanta, G. K. (Cornell University Library, 2024-10)
    The spontaneous parametric down-conversion (SPDC), an inherently random quantum process, produces a non-deterministic photon-pair with strong temporal and spatial correlations owing to both energy and momentum conservation. ...
  • Inflationary gravitational wave spectral shapes as test for low-scale leptogenesis 
    Borboruah, Zafri A.; Ghosha, Anish; Malhotra, Lekhika; Yajnik, Urjit A. (Cornell University Library, 2024-05)
    We study thermal and non-thermal resonant leptogenesis in a general setting where a heavy scalar ϕ decays to right-handed neutrinos (RHNs) whose further out-of-equilibrium decay generates the required lepton asymmetry. ...
  • Accelerated parameter estimation of supermassive black hole binaries in LISA using meshfree approximation 
    Sharma, Abhishek; Sengupta, Anand S.; Mukherjee, Suvodip (Cornell University Library, 2024-09)
    The Laser Interferometer Space Antenna (LISA) will be capable of detecting gravitational waves (GWs) in the milli-Hertz band. Among various sources, LISA will detect the coalescence of supermassive black hole binaries ...
  • Eccentric extreme mass-ratio inspirals: a gateway to probe quantum gravity effects 
    Zi, Tieguang; Kumar, Shailesh (Cornell University Library, 2024-09)
    We examine a loop quantum gravity (LQG) inspired rotating black hole, treating it as a central supermassive black hole (SMBH) in an extreme mass-ratio inspiral (EMRI) system, where an inspiralling object exhibits eccentric ...

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