Publications
2024
Dark energy with the help of interacting dark sectors
Gomes, J. M., Hardy, E., & Parameswaran, S. (n.d.). Dark energy with the help of interacting dark sectors. Physical Review D, 110(2). doi:10.1103/physrevd.110.023533
Cosmological constraints on curved quintessence
Exponential Quintessence: curved, steep and stringy?
String cosmology: From the early universe to today
Cicoli, M., Conlon, J. P., Maharana, A., Parameswaran, S., Quevedo, F., & Zavala, I. (2024). String cosmology: From the early universe to today. Physics Reports, 1059, 1-155. doi:10.1016/j.physrep.2024.01.002
2023
De Sitter vacua — when are ‘subleading corrections’ really subleading?
Bento, B. V., Chakraborty, D., Parameswaran, S., & Zavala, I. (2023). De Sitter vacua — when are ‘subleading corrections’ really subleading?. Journal of High Energy Physics, 2023(11). doi:10.1007/jhep11(2023)075
String Cosmology: from the Early Universe to Today
2022
Gravity at the tip of the throat
Bento, B. V., Chakraborty, D., Parameswaran, S., & Zavala, I. (2022). Gravity at the tip of the throat. JOURNAL OF HIGH ENERGY PHYSICS, (9). doi:10.1007/JHEP09(2022)208
2021
A new de Sitter solution with a weakly warped deformed conifold
Bento, B. V., Chakraborty, D., Parameswaran, S., & Zavala, I. (2021). A new de Sitter solution with a weakly warped deformed conifold. JOURNAL OF HIGH ENERGY PHYSICS, (12). doi:10.1007/JHEP12(2021)124
Modular invariance, misalignment and finiteness in non-supersymmetric strings
Modular invariance, misalignment and finiteness in non-supersymmetric strings
Cribiori, N., Parameswaran, S., Tonioni, F., & Wrase, T. (2022). Modular invariance, misalignment and finiteness in non-supersymmetric strings. JOURNAL OF HIGH ENERGY PHYSICS, (1). doi:10.1007/JHEP01(2022)127
A New de Sitter Solution with a Weakly Warped Deformed Conifold
2020
Misaligned Supersymmetry and Open Strings
Misaligned supersymmetry and open strings
Cribiori, N., Parameswaran, S., Tonioni, F., & Wrase, T. (2021). Misaligned supersymmetry and open strings. JOURNAL OF HIGH ENERGY PHYSICS, (4). doi:10.1007/JHEP04(2021)099
Dark Energy in String Theory
Parameswaran, S., Bento, B. V., Chakraborty, D., & Zavala, I. (2020). Dark Energy in String Theory. In Proceedings of Corfu Summer Institute 2019 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2019) (pp. 123). Sissa Medialab. doi:10.22323/1.376.0123
Non-supersymmetric String Models from Anti-D3-/D7-branes in Strongly Warped Throats
Non-supersymmetric string models from anti-D3-/D7-branes in strongly warped throats
Parameswaran, S., & Tonioni, F. (2020). Non-supersymmetric string models from anti-D3-/D7-branes in strongly warped throats. JOURNAL OF HIGH ENERGY PHYSICS, (12). doi:10.1007/JHEP12(2020)174
Dark Energy in String Theory
Bento, B. V., Chakraborty, D., Parameswaran, S. L., & Zavala, I. (2020). Dark Energy in String Theory. Retrieved from http://arxiv.org/abs/2005.10168v1
Dark Energy in String Theory
2019
Squeezed tensor non-Gaussianity in non-attractor inflation
Özsoy, O., Mylova, M., Parameswaran, S., Powell, C., Tasinato, G., & Zavala, I. (2019). Squeezed tensor non-Gaussianity in non-attractor inflation. Journal of Cosmology and Astroparticle Physics, 2019(09), 036. doi:10.1088/1475-7516/2019/09/036
Thermal dark energy
Hardy, E., & Parameswaran, S. (2020). Thermal dark energy. PHYSICAL REVIEW D, 101(2). doi:10.1103/PhysRevD.101.023503
Runaway quintessence, out of the swampland
Olguín-Trejo, Y., Parameswaran, S. L., Tasinato, G., & Zavala, I. (2019). Runaway quintessence, out of the swampland. Journal of Cosmology and Astroparticle Physics, 2019(1). doi:10.1088/1475-7516/2019/01/031
2018
A new mechanism to enhance primordial tensor fluctuations in single field inflation
Mylova, M., Ozsoy, O., Parameswaran, S., Tasinato, G., & Zavala, I. (2018). A new mechanism to enhance primordial tensor fluctuations in single field inflation. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, (12). doi:10.1088/1475-7516/2018/12/024
Mechanisms for primordial black hole production in string theory
Ozsoy, O., Parameswaran, S., Tasinato, G., & Zavala, I. (2018). Mechanisms for primordial black hole production in string theory. Journal of Cosmology and Astroparticle Physics, 2018(July). doi:10.1088/1475-7516/2018/07/005
2017
Anti-D3 branes and moduli in non-linear supergravity
Garcia del Moral, M. P., Parameswaran, S., Quiroz, N., & Zavala, I. (2017). Anti-D3 branes and moduli in non-linear supergravity. The Journal of High Energy Physics, 2017(10). doi:10.1007/JHEP10(2017)185
2016
Prospects for primordial gravitational waves in string inflation
Parameswaran, S. L., & Zavala, I. (2016). Prospects for primordial gravitational waves in string inflation. International Journal of Modern Physics D, 25(12), 1644011. doi:10.1142/s0218271816440119
Warping the Weak Gravity Conjecture
Kooner, K., Parameswaran, S., & Zavala, I. (2016). Warping the Weak Gravity Conjecture. Physics Letters B: Nuclear Physics and Particle Physics, 759, 402-409. doi:10.1016/j.physletb.2016.05.082
Subleading effects and the field range in axion inflation
Parameswaran, S., Tasinato, G., & Zavala, I. (2016). Subleading effects and the field range in axion inflation. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, (4). doi:10.1088/1475-7516/2016/04/008
2015
Wilson lines and Chern-Simons flux in explicit heterotic Calabi-Yau compactifications
Apruzzi, F., Gautason, F. F., Parameswaran, S., & Zagermann, M. (2015). Wilson lines and Chern-Simons flux in explicit heterotic Calabi-Yau compactifications. Journal of High Energy Physics, 2015(2). doi:10.1007/jhep02(2015)183
2014
Worldsheet instantons and coupling selection rules in heterotic orbifolds
Parameswaran, S. L., & Zavala, I. (2014). Worldsheet instantons and coupling selection rules in heterotic orbifolds. In Physics of Particles and Nuclei Letters Vol. 11 (pp. 981-983). Pleiades Publishing Ltd. doi:10.1134/s154747711407036x
Discrete R-symmetries and anomaly universality in heterotic orbifolds
Bizet, N. G. C., Kobayashi, T., Peña, D. K. M., Parameswaran, S. L., Schmitz, M., & Zavala, I. (2014). Discrete R-symmetries and anomaly universality in heterotic orbifolds. Journal of High Energy Physics, 2014(2). doi:10.1007/jhep02(2014)098
Worldsheet instantons and coupling selection rules in heterotic orbifolds
2013
Discrete R-symmetries and Anomaly Universality in Heterotic Orbifolds
R-charge conservation and more in factorizable and non-factorizable orbifolds
Bizet, N. G. C., Kobayashi, T., Peña, D. K. M., Parameswaran, S. L., Schmitz, M., & Zavala, I. (2013). R-charge conservation and more in factorizable and non-factorizable orbifolds. Journal of High Energy Physics, 2013(5). doi:10.1007/jhep05(2013)076
Accidental SUSY: enhanced bulk supersymmetry from brane back-reaction
Burgess, C. P., van Nierop, L., Parameswaran, S., Salvio, A., & Williams, M. (2013). Accidental SUSY: enhanced bulk supersymmetry from brane back-reaction. Journal of High Energy Physics, 2013(2). doi:10.1007/jhep02(2013)120
R-charge Conservation and More in Factorizable and Non-Factorizable Orbifolds
2012
Erratum: revisiting coupling selection rules in heterotic orbifold models
Kobayashi, T., Parameswaran, S. L., Ramos-Sánchez, S., & Zavala, I. (2012). Erratum: revisiting coupling selection rules in heterotic orbifold models. Journal of High Energy Physics, 2012(12). doi:10.1007/jhep12(2012)049
Accidental SUSY: Enhanced Bulk Supersymmetry from Brane Back-reaction
Lifshitz black holes in IIA supergravity
Barclay, L., Gregory, R., Parameswaran, S., Tasinato, G., & Zavala, I. (2012). Lifshitz black holes in IIA supergravity. Journal of High Energy Physics, 2012(5). doi:10.1007/jhep05(2012)122
Revisiting coupling selection rules in heterotic orbifold models
Kobayashi, T., Parameswaran, S. L., Ramos-Sánchez, S., & Zavala, I. (2012). Revisiting coupling selection rules in heterotic orbifold models. Journal of High Energy Physics, 2012(5). doi:10.1007/jhep05(2012)008