The main contributions areLangevin dynamicsandLangevin equation。Lang Zhiwan is a member of the French Communist Party.Strongly opposednazi, so inVichy governmentDuring this period, the reputation was greatly affected, but it recovered after the recovery of France.He visited China in 1931 and supported China's war of resistance.
He was born in Paris on January 23, 1872 and died on December 19, 1946.He was one of the founders of the Anti Fascist Intellectuals Alert Committee, an anti Fascist organization that followed the ultra right riots on February 6, 1934.
He was president of the French League for Human Rights from 1944 to 1946 (when he had just joined the French Communist Party).
Langevin was born in Paris and studied at the Paris Municipal High School of Industrial Physics and ChemistryParis Normal University。
1931-1932 Lang Zhiwan receivedLeague of NationsHe was appointed to investigate Chinese education. With his advice and promotion,Chinese Physical SocietyFounded in Beijing (1932).
In 1911, the affair between Langevin and Madame Curie became very popular in Paris.He is famous for his outspoken opposition to Nazism. When Nazi Germany occupied France, he wasVichy governmentHe was dismissed and reinstated in 1944.Langevin died in 1946, two years after the liberation of Paris.
He was released from prison and joined the Party in 1945.[3]
Main contributions
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Langevin and Einstein discussed
LangevinX-rayProperties of ions in gas, kinetic theory of gas molecules, magnetic theory andrelativityHe is famous for his work.
LangevinParamagnetismandDiamagnetismHe proposed to use modernatomTo explain these phenomena.His most famous research is the application of ultraviolet rays using Pierre Curie's piezoelectric effect.the First World WarDuring this period, in order to detect submarinesquartzHe began to use sound waves to detect submarines and determine their positions based on their echoes.But when the device works, the war is over.During his research career, he did a lot of work in France to spread the theory of relativity.
In 1905, he put forward the theory of magnetism, and gave a classic explanation of paramagnetism and diamagnetism of matter with the concept of elementary magnet.
It developed in 1908Brownian motionFluctuation theory.At the same time, he firmly opposedfascist, oppose aggressionthe Second World WarDuring this period, he was arrested and imprisoned by the German occupying forces, and had a serious fight against fascism.ChinaSeptember 18th IncidentLater, he carried out various activities of solidarity with China and criticizedLeague of NationsConnivance at the Japanese invaders.
French physicist Lang Zhiwan
Personal life
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Madame CurieIn his later years, he had an affair with Paul Langevin, a student of his husband's life, and this event caused ups and downs in France.
Langevin
On November 4, 1911, the Paris News published the title "Love Story: Madame Curie and Professor Lang Zhiwan". It was said that when Pierre was alive, Lang Zhiwan had intimate relations with Madame Curie.EinsteinHe wrote a letter to Madame Curie on November 23, 1911 as a consolation.
Madame Curie's greatest controversy in her life may come from her relationship withLangevin (Paul Langevin).Lang Zhiwan was a student of Pierre and an outstanding physicist.It is said that he and his wife are indifferent and have a deep crush on Mary.All kinds of newspapers have made this scandal very popular. Due to the xenophobic mood and the controversial gimmick of "female scientist junior", it was originally romanticFrenchThe public could not tolerate Mary and described her as a "Polish slut".
In order to avoid attention, Madame Curie took the children to a friend's house for refuge.Langevin dueled with the reporter.In the face of great pressure, he and she had to choose to break up, and Langevin returned to his wife's side.The relationship ended.Fortunately, in 1911, Madame Curie got the secondNobel Prize, the rumors gradually subsided.On the eve of the award, someone wrote to her to persuade her to decline the award, which was categorically rejected by Madame Curie.Since then, there have been no waves in their lives.Madame Curie died in 1934 at the age of 67.Langevin died in 1946 at the age of 74.They have all made extraordinary academic achievements and are respected physicists by later generations.Years later, Madame Curie's granddaughter married Langevin's grandson.[1-2]
