/Recent content on Ritwik DasHugo -- gohugo.ioen-usSat, 22 Nov 2025 00:00:00 +0000/gallery/2025_budapest_hu/Sat, 22 Nov 2025 00:00:00 +0000/gallery/2025_budapest_hu/Here are some photos from my trip to Budapest, Hungary (2025). Dsc02355 Img 4476 Img 4816/2023/02/15/physics/vca/Wed, 15 Feb 2023 00:00:00 +0000/2023/02/15/physics/vca/Virtual crystal approximation (VCA) A. Pseudo-Potential Mixinxg Suppose we want to calculate an alloy, for example, $InSb_{x}As_{1-x}$. We can generate a mixed pseudopotential of $Sb$ and $As$ in the following way: $Sb_x + As_{1-x}$ norm-conserving pseudo-potential (ONCV case), follow the below instruction. Keep ready the original pseudopotentials of $Sb$ and $As$. mkdir mixed-pseudo cd mixed-pseudo git clone https://github.com/pipidog/ONCVPSP.git cd ONCVPSP/sg15 [Optional] For the first time, go to the Quantum Espresso parent (installation) directory and execute/gallery/2022_tomorrowland_be/Wed, 20 Jul 2022 00:00:00 +0000/gallery/2022_tomorrowland_be/Here are some photos from the Tomorrowland (Belgium) electronic music festival (2022). 20220714 174049 20220715 180548/about/Mon, 01 Jan 0001 00:00:00 +0000/about/বাংলায় পড়ুন Where the mind is without fear and the head is held high Where knowledge is free Where the world has not been broken up into fragments By narrow domestic walls Where words come out from the depth of truth Where tireless striving stretches its arms towards perfection Where the clear stream of reason has not lost its way Into the dreary desert sand of dead habit. — Rabindranath Tagore (Collected from Naivedya)/contact/Mon, 01 Jan 0001 00:00:00 +0000/contact/Fill out this form and just say Hello!. Priority: Low Normal High Urgent Subject: Hello Ritwik! I actually do have a question! Please state the subject: Name: Email: Message: Submit/extras/Mon, 01 Jan 0001 00:00:00 +0000/extras/Here are all my talks: Careful: Location \talks is actually public/talks/. Each folder under public/talks/ corresponds to a talk. Interview presentation @EPFL Slidev Talk 2 Interview presentation @EPFL | Download Slides (PDF)/archive/Mon, 01 Jan 0001 00:00:00 +0000/archive//research/Mon, 01 Jan 0001 00:00:00 +0000/research/Publications Title Type Publisher Link Electronic and structural properties of InSb alloys Journal Article Physical Review B Article (PDF) Presentations (Selected) Year Event Location Title Slides Video 2026 QUAD Group Meeting LPENS, Paris, France Bridging ML and First-Principles Calculations Link Recording 2025 EPFL Interview Lausanne, CH Gradient-accelerated inverse materials design Link - 2025 Example Conference Berlin, DE Previous Research Talk Title PDF Video Research Projects Project Role Description Far-IR Photonics Lead Researcher Modeling of InSb, InAs, and GeSn alloys for THz applications.