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Sourav Pal
Sourav Pal is an Indian theoretical chemist, a professor of chemistry at IIT Bombay, and the director of the Indian Institute of Science Education and Research, Kolkata. He was a director of CSIR-National Chemical Laboratory in Pune, and an adjunct professor at the Indian Institute of Science Education and Research, Pune. He is known for his contributions to Quantum Chemistry, especially in the field of coupled cluster basemethods By utilizing coupled cluster approaches such as linear response, equation of motion, state-universal multi-reference, or valence-universal multi-reference, it is possible to find solutions for excited states. His major scientific accomplishments include rigorous development of expectation value as well as extended coupled-cluster functional and development of the response properties to multi-reference coupled cluste(MRCC)theory, the effect of electron correlation and role of exchange effects on the low energy electron molecule scattering, introduction ...
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Indian Institute Of Science Education And Research, Kolkata
Indian Institute of Science Education and Research Kolkata (IISER-K or IISER Kolkata) is an autonomous institute in science and education field located in Mohanpur near the town of Kalyani in Nadia, West Bengal, India. It was established by the Ministry of Human Resource Development in 2006 and promoted to the status of an Institute of National Importance in 2012 vide the NIT Amendment Act. It is one of seven Indian Institutes of Science Education and Research, and was the first of the IISERs to be established along with IISER Pune. It is considered to be one of the leading institutes of India in terms of research output, and was ranked fourth among the academic institutions in India by the Nature Index (compiled by Nature Research). AIIMS Kalyani, IIIT Kalyani, Bidhan Chandra Krishi Viswavidyalaya (BCKV) & MAKAUT are other nearby Institutions. Admissions Admission is done through the three channels open for all IISERs: *Kishore Vaigyanik Protsahan Yojana (KVPY) *Joint E ...
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Indian Computational Chemists
Indian or Indians may refer to: Peoples South Asia * Indian people, people of Indian nationality, or people who have an Indian ancestor ** Non-resident Indian, a citizen of India who has temporarily emigrated to another country * South Asian ethnic groups, referring to people of the Indian subcontinent, as well as the greater South Asia region prior to the 1947 partition of India * Anglo-Indians, people with mixed Indian and British ancestry, or people of British descent born or living in the Indian subcontinent * East Indians, a Christian community in India Europe * British Indians, British people of Indian origin The Americas * Indo-Canadians, Canadian people of Indian origin * Indian Americans, American people of Indian origin * Indigenous peoples of the Americas, the pre-Columbian inhabitants of the Americas and their descendants ** Plains Indians, the common name for the Native Americans who lived on the Great Plains of North America ** Native Americans in the Uni ...
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Living People
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Ab Initio
''Ab initio'' ( ) is a Latin term meaning "from the beginning" and is derived from the Latin ''ab'' ("from") + ''initio'', ablative singular of ''initium'' ("beginning"). Etymology Circa 1600, from Latin, literally "from the beginning", from ablative case of ''initium'' "entrance", "beginning", related to verb ''inire'' "to go into", "enter upon", "begin". Uses ''Ab initio'' (abbreviation: ''ab init.'') is used in several contexts, including the following: Law In law, ''ab initio'' refers to something being the case from the start or from the instant of the act rather than from when the court declared it so. For instance, the term "void ''ab initio''" means "to be treated as invalid from the outset." E.g., in many jurisdictions, if a person signs a contract under duress, that contract is treated as being "void ''ab initio''". Typically, documents or acts which are void ''ab initio'' cannot be fixed and if a jurisdiction, a document, or an act is so declared at law to be void ...
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Slater Determinant
In quantum mechanics, a Slater determinant is an expression that describes the wave function of a multi-fermionic system. It satisfies anti-symmetry requirements, and consequently the Pauli principle, by changing sign upon exchange of two electrons (or other fermions).Molecular Quantum Mechanics Parts I and II: An Introduction to QUANTUM CHEMISTRY (Volume 1), P. W. Atkins, Oxford University Press, 1977, . Only a small subset of all possible fermionic wave functions can be written as a single Slater determinant, but those form an important and useful subset because of their simplicity. The Slater determinant arises from the consideration of a wave function for a collection of electrons, each with a wave function known as the spin-orbital \chi(\mathbf), where \mathbf denotes the position and spin of a single electron. A Slater determinant containing two electrons with the same spin orbital would correspond to a wave function that is zero everywhere. The Slater determinant is named ...
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American Physical Society
The American Physical Society (APS) is a not-for-profit membership organization of professionals in physics and related disciplines, comprising nearly fifty divisions, sections, and other units. Its mission is the advancement and diffusion of knowledge of physics. The society publishes more than a dozen scientific journals, including the prestigious '' Physical Review'' and ''Physical Review Letters'', and organizes more than twenty science meetings each year. APS is a member society of the American Institute of Physics. Since January 2021 the organization has been led by chief executive officer Jonathan Bagger. History The American Physical Society was founded on May 20, 1899, when thirty-six physicists gathered at Columbia University for that purpose. They proclaimed the mission of the new Society to be "to advance and diffuse the knowledge of physics", and in one way or another the APS has been at that task ever since. In the early years, virtually the sole activity of the AP ...
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Indian Academy Of Sciences
The Indian Academy of Sciences, Bangalore was founded by Indian Physicist and Nobel Laureate C. V. Raman, and was registered as a society on 24 April 1934. Inaugurated on 31 July 1934, it began with 65 founding fellows. The first general meeting of Fellows, held on the same day, elected Raman as president, and adopted the constitution of the Academy. Objectives The aims of the Academy are to: * Promote progress in pure and applied branches of science. * Encourage important research in various branches of science. * Represent the scientific work of India internationally. * Publish work relating to scientific research initiated by the Academy, Provincial Academies, Universities and Government Scientific Institutions. * Organise meetings of Committees and Conferences to discuss papers submitted to the Academy. * Advise Government and other bodies on scientific and other matters referred to the Academy. Publications The first issue of the Academy Proceedings appeared in two ...
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National Academy Of Sciences, India
The National Academy of Sciences, India, established in 1930, is the oldest science academy in India. It is located in Prayagraj, Uttar Pradesh. Prof. Meghnad Saha was the founder president. Fellows *Suddhasatwa Basu * Sudha Bhattacharya * Chittoor Mohammed Habeebullah *Vinod Krishan * Neelam Sangwan * Rajender Singh Sangwan Publications ''Proceedings of the National Academy of Sciences, India'' was a peer-review scientific journal established in 1930. It split in two parts in 1942. *'' Proceedings of the National Academy of Sciences, India Section A: Physical Sciences'' *'' Proceedings of the National Academy of Sciences, India Section B: Biological Sciences'' The academy also publishes ''National Academy Science Letters''. References External links Official website Research institutes in India India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, an ...
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Indian National Science Academy
The Indian National Science Academy (INSA) is a national academy in New Delhi for Indian scientists in all branches of science and technology. In August 2019, Dr. Chandrima Shaha was appointed as the president of Indian National Science Academy, becoming the first woman to head the INSA (for 2020–22). In 2015 INSA has constituted a junior wing for young scientists in the country named Indian National Young Academy of Sciences (INYAS) in line with other national young academies. INYAS is the academy for young scientists in India as a national young academy and is affiliated with Global Young Academy. INYAS is also a signatory of the declaration on the Core Values of Young Academies, adopted at World Science Forum, Budapest on 20 November 2019 History The Genesis: Indian National Science Academy (INSA), New Delhi is an autonomous institution of Dept. Science & Technology, Govt. of India. However, the origins of INSA can be traced back to the founding of National Institute ...
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