• Photoelectrochemically induced CO2 reduction using Halide-tunable Lead-free Perovskites 

  Singh, Manoj; Nama, Jatin; Paul, Tufan; Makani, Nisha Hiralal; Sahoo, Aditi; Sharma, Sudhanshu; Banerjee, Rupak (American Chemical Society, 2023-03)

  We report on a series of ambient processed, all-inorganic, lead-free nanocrystalline perovskites, viz. Cs3Bi2Cl9-xBrx, which are halide-tunable and demonstrate photocatalytic CO2 reduction. The conversion yield of CO2 to ...
• Thermally corrected masses and freeze-in dark matter: a case study 

  Chakrabarty, Nabarun; Konar, Partha; Roshan, Rishav; Show, Sudipta (American Physical Society, 2023-02)

  If coupled feebly to the Standard Model bath, dark matter can evade the severe constraints from the direct search experiments. At the same time, such interactions help produce dark matter via the freeze-in mechanism. The ...
• Stable graphene membranes for selective ion transport and emerging contaminants removal in water 

  Nemala, Siva Sankar; Fernandes, Joao; Santos, Marília Barreiros dos; Espina, Begona; Alpuim, Pedro; Diez, Ander Garcia; Lanceros-Mendez, Senentxu; Saini, Lalita; Kaushik, Suvigya; Kalon, Gopinadhan; Capasso, Andrea (Wiley, 2023-03)

  Carbon-based materials, such as graphene oxide and reduced graphene oxide membranes have been recently used to fabricate ultrathin, high-flux, and energy-efficient membranes for ionic and molecular sieving in aqueous ...
• Optical and X-ray studies of Be/X-ray binary 1A 0535+262 during its 2020 giant outburst 

  Chhotaray, Birendra; Jaisawal, Gaurava K.; Kumari, Neeraj; Naik, Sachindra; Kumar, Vipin; Jana, Arghajit (Oxford University Press, 2023-02)

  We report results obtained from the optical and X-ray studies of the Be/X-ray binary 1A 0535+262/HD 245770 during the 2020 October giant X-ray outburst, using the 1.2-m telescope at Mount Abu Infrared observatory and ...
• Search and characterization of remnant radio galaxies in the XMM-LSS deep field 

  Dutta, Sushant; Singh, Veeresh; Chandra, C. H. Ishwara; Wadadekar, Yogesh; Kayal, Abhijit; Heywood, Ian (IOP Publishing, 2023-02)

  The remnant phase of a radio galaxy is characterized by the cessation of active galactic nuclei activity, resulting in the jets ceasing to feed plasma to the radio lobes. In this paper, we present a search for and the ...
• Crystalline phases of laser-driven dipolar Bose-Einstein condensates 

  Mishra, Chinmayee; Ostermann, Stefan; Mivehvar, Farokh; Venkatesh, B. Prasanna (American Physical Society, 2023-02)

  Although crystallization is a ubiquitous phenomenon in nature, crystal formation and melting still remain fascinating processes with several open questions yet to be addressed. In this work we study the emergent crystallization ...
• CDAP: a portable CCD-based daytime airglow photometer for investigations of ionosphere-thermosphere phenomena 

  Pallamraju, Duggirala; Suryawanshi, Pradip; Urmalia, Shashank; Kumar, Sunil; Saha, Sovan; Singh, Ravindra Pratap; Kushwaha, Pankaj K.; Soni, Mohit (Elsevier, 2023-03)

  A photometric technique to obtain daytime optical airglow emissions is described. Airglow emissions occur naturally due to photochemical and chemiluminescent processes taking place in the upper atmosphere. Airglow emissions ...
• Compositional diversity in the mare marginis and mare smythii: an insight into the volcanism in the region 

  Panwar, Neha; Srivastava, Neeraj; Bhatt, Megha; Bhardwaj, Anil (Elsevier, 2023-05)

  The Marginis-Smythii region of the eastern limb of the Moon is a unique geological setting with the presence of equally widespread volcanism both inside and outside of an impact basin. Mare Marginis (13.3°N, 86.1°E) is a ...
• A case of anomalous electric field perturbations in the equatorial ionosphere during postsunset hours: insights 

  Kumar, Ankit; Chakrabarty, Dibyendu; Fejer, B. G.; Reeves, Geoffrey D.; Rout, Diptiranjan; Sripathi, S.; Seemala, Gopi K.; Sunda, Surendra; Yadav, Anil Kumar (Wiley, 2023-02)

  During a weak geomagnetic storm (Ap = 15) on 24 December 2014, the penetration electric field perturbations over the Indian dip equatorial sector are found to be anomalous on a number of occasions during postsunset hours. ...
• Characterization of gravity waves in three dimensions in the daytime thermosphere using combined optical and radio measurements and estimation of horizontal neutral winds 

  Kumar, Sunil; Mandal, Subir; Pallamraju, Duggirala (Wiley, 2023-02)

  Gravity waves, which are considered omnipresent in the Earth's upper atmosphere, are generally investigated by monitoring the fluctuations in different atmospheric parameters. Here, we report the propagation characteristics ...
• Gravitational wave from extreme mass-ratio inspirals as a probe of extra dimensions 

  Rahman, Mostafizur; Kumar, Shailesh; Bhattacharyya, Arpan (IOP Science, 2023-01)

  The field of gravitational waves is rapidly progressing due to the noticeable advancements in the sensitivity of gravitational-wave detectors that has enabled the detection prospects of binary black hole mergers. Extreme ...
• Non-radial oscillation modes in hybrid stars: consequences of a mixed phase 

  Kumar, Deepak; Mishra, Hiranmaya; Malik, Tuhin (IOP Science, 2023-02)

  We study the possibility of the existence of a deconfined quark matter in the core of neutron star (NS)s and its relation to non-radial oscillation modes in NSs and hybrid star (HS)s. We use relativistic mean field (RMF) ...
• The forward physics facility at the high-luminosity LHC 

  Poddar, Tanmay Kumar et al. (IOP Science, 2023-03)

  High energy collisions at the High-Luminosity Large Hadron Collider (LHC) produce a large number of particles along the beam collision axis, outside of the acceptance of existing LHC experiments. The proposed Forward Physics ...
• Fractional quantum Hall effect in optical lattices 

  Gaur, Deepak; Sable, Hrushikesh; Angom, D. (Frontiers Media, 2023-01)

  In this research, we study the bosonic fractional quantum Hall (FQH) states in a system of ultracold bosons in a two-dimensional optical lattice in the presence of a synthetic magnetic field, described by the bosonic ...
• Evolution of magnetic fields and energy release processes during homologous eruptive flares 

  Sahu, Suraj; Joshi, Bhuwan; Prasad, Avijeet; Cho, Kyung-Suk (IOP Science, 2023-02)

  We explore the processes of the repetitive buildup and the explosive release of magnetic energy, together with the formation of magnetic flux ropes, which eventually resulted in three homologous eruptive flares of successively ...
• Magnetic reconnections as the underlying cause of spontaneous generation and annihilation of three-dimensional magnetic nulls 

  Maurya, Yogesh Kumar; Bhattacharyya, Ramit; Pontin, David I. (American Institute of Physics, 2023-02)

  Three-dimensional (3D) magnetic nulls are preferential sites for triggering solar coronal transients. Although these nulls are abundant in the solar atmosphere, their generation is yet to be thoroughly explored. This paper ...
• Beyond general relativity: designing a template-based search for exotic gravitational wave signals 

  Narola, Harsh; Roy, Soumen; Sengupta, Anand S. (American Physical Society, 2023-01)

  Accurate waveform models describing the complete evolution of compact binaries are crucial for the maximum likelihood detection framework, testing the predictions of general relativity (GR) and investigating the possibility ...
• Regularized stable Kerr black hole: cosmic censorships, shadow and quasi-normal modes 

  Ghosh, Rajes; Rahman, Mostafizur; Mishra, Akash K. (SpringerOpen, 2023-01)

  Black hole solutions in general relativity come with pathologies such as singularity and mass inflation instability, which are believed to be cured by a yet-to-be-found quantum theory of gravity. Without such consistent ...
• Polarization-orbital angular momentum duality assisted entanglement observation for indistinguishable photons 

  Lal, Nijil; Mishra, Sarika; Rani, Anju; Banerji, Anindya; Perumangatt, Chithrabhanu; Singh, R. P. (Springer, 2023-01)

  Duality in the entanglement of identical particles manifests that entanglement in only one variable can be revealed at a time. We demonstrate this using polarization and orbital angular momentum (OAM) variables of ...
• Echoes from braneworld wormholes 

  Biswas, Shauvik; Rahman, Mostafizur; Chakraborty, Sumanta (American Physical Society, 2022-12)

  We have studied the stability of wormhole geometries, under massless scalar, electromagnetic, and axial gravitational perturbations, in the context of higher dimensional spacetimes. Intriguingly, the construction of a ...

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