{"product_id":"9783030691042-the-development-of-the-action-principle","title":"The Development of the Action Principle","description":"\u003cmeta content=\"text\/html; charset=utf-8\" http-equiv=\"Content-Type\"\u003e\u003cp\u003e\u003cspan\u003eA Didactic History from Euler-Lagrange to Schwinger\u003cbr\u003eThe leading theme is how the action principle is applied to problems in classical physics such as hydrodynamics, electrodynamics and gravity, extending also to the modern formulation of quantum mechanics and quantum field theory, especially quantum electrodynamics.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Rarewaves","offers":[{"title":"Default Title","offer_id":56282732298614,"sku":"9783030691042","price":60.63,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0092\/7504\/8033\/files\/orig_36195655.jpg?v=1758748749","url":"https:\/\/www.rarewaves.com\/products\/9783030691042-the-development-of-the-action-principle","provider":"Rarewaves.com","version":"1.0","type":"link"}