{"product_id":"schwinger-action-principle-and-effective-action-cambridge-university-press-9780521876766-david-j-toms","title":"Schwinger Action Principle and Effective Action","description":"\u003cp\u003eThis book is an introduction to the Schwinger action principle in quantum mechanics and quantum field theory, with applications to a variety of different models, not only those of interest to particle physics. It will interest graduate students and researchers in theoretical physics who are familiar with quantum mechanics.\u003c\/p\u003e","brand":"David J. Toms","offers":[{"title":"Default Title","offer_id":52229398954326,"sku":"9780521876766","price":195.21,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/3206\/6390\/files\/9780521876766.jpg?v=1767744907","url":"https:\/\/www.englishbook.pt\/products\/schwinger-action-principle-and-effective-action-cambridge-university-press-9780521876766-david-j-toms","provider":"Bookshop","version":"1.0","type":"link"}