#wow-twister-spinner { The first four chapters require only basic quantum mechanics; the final two chapters need techniques from quantum field theory. #wow-twister-loading-dim { #govtRebatePopoverTrigger .a-icon-popover{display:none}#govtRebatePreloadContent{padding:2rem;height:100%;overflow-x:auto}.dp-apl-govt-rebate-prom-badge{background-color:#e31820;display:inline-block;color:#fff;font-weight:700;padding-top:1px;padding-left:4px;padding-right:4px}.apl_type_border_dotted{border-style:solid;border-color:#eda93a!important;background-color:#eda93a;border-radius:2px;border-width:1px;text-align:center;display:inline-block;width:35px}.apl_tip_title_m{display:inline-block}.apl_type{font-size:1.4rem;color:#fff}.apl_m_title{display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:middle}.apl_non_badge{display:inline-block;margin-bottom:5px}.apl_m_atf_message{max-width:50%;display:inline-block;overflow:hidden;vertical-align:middle;white-space:nowrap;color:#0066c0!important;font-weight:700}.apl_m_atf_message_more{vertical-align:middle}.apl_trigger{cursor:pointer}.apl_redeem_hide{display:none}.apl_l_black{color:#000!important}.apl_badgeHvaCoupon_redeemed{vertical-align:top!important;padding-top:5px!important}.apl_m_atf_ajax_header{margin-left:1.4rem;margin-right:1.4rem;padding-bottom:.9rem;border-bottom:1px solid #ddd;position:relative}.apl_m_atf_ajax_header .a-spinner{position:absolute;right:.6rem;bottom:11px}.apl_m_atf_ajax_container{padding-top:0!important}.apl_redeem_hide{display:none}.apl_m_m{max-width:100%;display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.apl_topic{font-size:20px!important;height:25px!important;line-height:25px!important}.apl_m_font_title{color:#000;font-weight:700}.apl_m_font_message{color:#000}.apl_state_font{font-size:1.8rem!important}.apl_state_font_day{font-size:1.8rem!important;color:#B12704!important}.apl_state_font_day_expire{color:#B12704!important}.apl_state_padding form{margin-bottom:0!important}.apl_td{padding:10px 0 10px 0!important;border-style:none none dashed;border-width:1px;border-color:#ddd}.apl_td1{padding:10px 0 10px 0!important}.apl_divider{margin-bottom:12px;padding-right:15px}.apl_notice{font-size:14px;line-height:22px}.apl_column{margin-left:-15px}.apl_guide{font-weight:700;font-family:verdana,arial,helvetica,sans-serif;margin-right:.2em;font-size:120%}.apl_div_line_height{margin-top:.6rem!important}.apl_image_ul{display:table;width:100%;height:70px;text-align:center;margin:13px 0 13px 0}.apl_image_ul li{list-style:none;display:table-cell;vertical-align:middle}.apl_image_div{width:70px;height:70px;display:inline-block;position:relative}.apl_image_div img{position:absolute;margin:auto;left:0;right:0;top:0;bottom:0}.apl_image_left{text-align:right}.apl_image_bundle{width:50px;text-align:center;margin:0 10px 0 10px;font-weight:700;color:#A5A3A3}.apl_image_right{text-align:left}.apl_m_atf_message{color:#0066c0!important}.apl_m_font_title{color:#000}.apl_m_font_message{color:#000}.dp-apl-govt-rebate-prom-section{padding-bottom:10px}#govtRebateLoaderDiv{margin:auto;left:0;right:0;position:fixed} Fantastic phenomena associated with the interlayer phase coherence and SU(4) quantum Hall ferromagnets in the bilayer system are extensively reviewed. .quantity-picker{position:relative;margin-top:5px}.quantity-picker .quantity-input-box-layer-with-label{border:1px solid #BCC0C3;border-radius:4px;height:47px;padding-top:1px;display:table;width:100%}.quantity-picker.open .quantity-input-box-layer-with-label{border-radius:4px 4px 0 0}.quantity-picker .quantity-text-input-disabled{cursor:not-allowed}.quantity-picker .quantity-text-input-with-label{width:100%;border:3px solid #fff;border-radius:6px;box-shadow:none;font-weight:700;font-size:14px;padding-left:5px}.quantity-picker .quantity-text-input-with-label:focus{background:#E8EAEB;border:3px solid #fff;box-shadow:none;padding-left:7px}.quantity-picker .quantity-input-box-container{display:table-row}.quantity-picker .quantity-text-input-container{display:table-cell;padding:2px}.quantity-picker .quantity-text-input-label{display:table-cell;vertical-align:middle;padding-left:7px;padding-bottom:1px;width:1%;white-space:nowrap}.quantity-picker .quantity-discount-table{display:none;position:absolute;background:#fff;border:0 1px 1px solid #BCC0C3;left:0;right:0;text-align:left;padding:0;margin:0;z-index:299;border-radius:0 0 4px 4px}.quantity-picker.open .quantity-discount-table{display:block}.quantity-picker .qdt-ul{margin-left:0}.quantity-picker .qdt-dropdown-option-no-saving-message{display:table;width:100%;line-height:40px;font-size:12px}.quantity-picker .qdt-dropdown-option-no-saving-message .option-tier{vertical-align:middle;display:table-cell;color:#000;width:5%;padding-left:9px;text-align:left}.quantity-picker .qdt-dropdown-option-no-saving-message .option-price{vertical-align:middle;color:#B02302;display:table-cell;width:95%;padding-right:8px;text-align:right;font-size:12px;margin-left:-25px}.quantity-picker .qdt-dropdown-option-regular{display:table;width:100%}.quantity-picker .qdt-dropdown-option-regular .option-tier{vertical-align:middle;display:table-cell;color:#000;width:5%;padding-left:9px;text-align:left;line-height:40px;font-size:12px}.quantity-picker .qdt-dropdown-option-regular .option-price-and-message{vertical-align:middle;color:#c00;display:table-cell;width:95%;padding-right:8px;float:right;text-align:right;margin-top:5px}.quantity-picker .qdt-dropdown-option-regular .option-price-and-message .option-price{color:#B02302;font-size:12px;margin-left:-25px}.quantity-picker .qdt-dropdown-option-regular .option-price-and-message .option-saving-message{color:#767676;font-size:10px;font-style:italic;margin-left:-30px;margin-top:-3px}.quantity-picker .qdt-dropdown-option-regular .option-price-and-message .option-unlocked-saving-message-icon{display:inline-block;transform:rotate(45deg);height:8px;width:4px;border-bottom:1px solid #008A00;border-right:1px solid #008A00;margin-right:2px}.quantity-picker .qdt-dropdown-option-regular .option-price-and-message .option-unlocked-saving-message{color:#008A00;font-size:10px;font-style:italic;margin-left:-30px;margin-top:-5px}.quantity-picker .qdt-dropdown-option-regular .option-price-and-message .option-availability-message{color:#767676;font-size:10px;font-style:italic;margin-left:-30px;margin-top:-3px}.quantity-picker .qdt-dropdown-option-load-more{color:#696969;font-size:12px;vertical-align:middle;text-align:center;padding:10.5px 8px 10.5px 9px}.quantity-picker .qdt-dropdown-option-fetch-in-progress{color:#696969;font-style:italic;font-size:13px;vertical-align:middle;text-align:center;font-weight:lighter;line-height:25px}.quantity-picker .qdt-dropdown-option-link{font-size:12px;vertical-align:middle;text-align:center;padding:10.5px 8px 10.5px 9px}.quantity-picker .qdt-dropdown-option-request-for-olp{font-size:12px;vertical-align:middle;text-align:center;padding:10.5px 8px 10.5px 9px}.quantity-picker .qdt-dropdown-option-fetch-in-progress .fetching-in-progress-img{vertical-align:middle}.quantity-picker .quantity-discount-table .qdt-dropdown-item{display:block;border:1px solid #BCC0C3;border-top:none}.quantity-picker .quantity-discount-table .qdt-dropdown-item.qdt-active{border-color:#BCC0C3;border-left:3px solid #E55D16}.quantity-picker .quantity-discount-table .qdt-dropdown-item.qdt-inactive{border-color:#BCC0C3}.quantity-picker .quantity-discount-table .qdt-dropdown-item:hover{background-color:#F4F4F5;cursor:pointer}.quantity-picker .quantity-discount-table .qdt-dropdown-item.qdt-inactive:hover{background-color:#fff;color:inherit}.quantity-picker .quantity-discount-table .qdt-dropdown-item:last-child{border-radius:0 0 4px 4px}.b2bhawks-best-quantity-savings-message{color:#fff;background-color:#555;padding:0 6px}.freeQuantityTextInput{width:55px} @charset "UTF-8";.turbo-checkout-auto-load-spinner{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden}.turbo-checkout-auto-load-circle-container{position:absolute;top:50%;left:50%;width:50px;height:50px;overflow:hidden;border-radius:50%;background:#fff;transform:translate(-50%,-50%)}.turbo-checkout-auto-load-spinner-container{position:absolute;top:0;left:0;width:100%;height:100%;background-color:rgba(255,255,255,.75);overflow:hidden;z-index:1008}#turbo-checkout-bottom-sheet{position:fixed;background-color:#fff;bottom:0;min-height:36.5rem;height:36.5rem;left:0;right:0;-moz-webkit-transition:visibility 0s linear .4s,transform .4s linear,height .4s;-ms-webkit-transition:visibility 0s linear .4s,transform .4s linear,height .4s;-o-webkit-transition:visibility 0s linear .4s,transform .4s linear,height .4s;-khtml-webkit-transition:visibility 0s linear .4s,transform .4s linear,height .4s;-webkit-transition:visibility 0s linear .4s,transform .4s linear,height .4s;transition:visibility 0s linear .4s,transform .4s linear,height .4s;-webkit-transform:translate3d(0,36.5rem,0);transform:translate3d(0,36.5rem,0);visibility:hidden;z-index:1009}#turbo-checkout-bottom-sheet.turbo-checkout-bottom-sheet-visible{-webkit-transform:translate3d(0,0,0);transform:translate3d(0,0,0);transition-delay:0s;visibility:visible}#turbo-checkout-bottom-sheet.turbo-checkout-bottom-sheet-fullscreen{-moz-webkit-transition:transform .4s ease-in .4s;-ms-webkit-transition:transform .4s ease-in .4s;-o-webkit-transition:transform .4s ease-in .4s;-khtml-webkit-transition:transform .4s ease-in .4s;-webkit-transition:transform .4s ease-in .4s;transition:transform .4s ease-in .4s;-webkit-transform:scale(1,4);transform:scale(1,4)}#turbo-checkout-bottom-sheet.turbo-checkout-bottom-sheet-fullscreen>*{opacity:0!important;transition:opacity .4s linear}#turbo-checkout-bottom-sheet.turbo-checkout-no-animation{transition-property:none;transition-duration:0s;transition-delay:0s}#turbo-checkout-bottom-sheet-dimmer{position:fixed;top:0;left:0;height:100%;background-color:#000;background:radial-gradient(ellipse at 50% 40%,rgba(0,0,0,.5) 0,#000 100%);transition:visibility 0s linear .4s,opacity .4s linear;visibility:hidden;opacity:0;z-index:1008}#turbo-checkout-bottom-sheet-dimmer-close{position:fixed;bottom:36.5rem;right:1.5rem;line-height:1.35;-moz-webkit-transition:bottom .4s;-ms-webkit-transition:bottom .4s;-o-webkit-transition:bottom .4s;-khtml-webkit-transition:bottom .4s;-webkit-transition:bottom .4s;transition:bottom .4s}#turbo-checkout-bottom-sheet-dimmer-close:after{content:'×';font-size:40pt;font-family:Helvetica,Roboto,sans-serif;color:#fff;text-shadow:0 1px 2px #000;line-height:1.35}#turbo-checkout-bottom-sheet-dimmer-close.back-content:after{content:attr(data-after);font-size:14pt;font-family:Helvetica,Roboto,sans-serif;color:#fff;text-shadow:0 1px 2px #000;line-height:3.15}#turbo-checkout-bottom-sheet-dimmer.turbo-checkout-bottom-sheet-dimmer-visible{opacity:.75;transition-delay:0s;visibility:visible}#turbo-checkout-bottom-sheet-dimmer.turbo-checkout-no-animation{transition-property:none;transition-duration:0s;transition-delay:0s}#turbo-checkout-bottom-sheet-frame{width:1px;min-width:100%;border:0;height:100%}.turbo-checkout-fix-body{position:fixed}#turbo-loading-container{min-height:inherit;min-width:inherit;position:relative;opacity:0;-moz-webkit-transition:opacity .5s linear .25s;-ms-webkit-transition:opacity .5s linear .25s;-o-webkit-transition:opacity .5s linear .25s;-khtml-webkit-transition:opacity .5s linear .25s;-webkit-transition:opacity .5s linear .25s;transition:opacity .5s linear .25s}#turbo-loading-content{position:absolute;left:0;right:0;top:35%}#turbo-loading-spinner{display:block;margin:0 auto}#turbo-loading-text{display:block;text-align:center}.turbo-checkout-blank{opacity:0}.turbo-checkout-shown{opacity:1!important}